Vocabulary Words Every Back-End Web Developer Should Know

Server

Definition: A person who serves food and drinks in a restaurant; also a computer that provides data.

• The server took our orders quickly.
• She worked as a server during the summer.
• The server crashed, and we lost our files.

Server in a sentence

Database

Definition: A structured set of data stored in a computer.

• The library has a database of all its books.
• He learned how to create a database for information.
• The database helps organize large amounts of data.

Database in a sentence

Code

Definition: A system of words, letters, or symbols used to represent information.

• I learned to code using a computer programming language.
• The secret message was written in code.
• Learning code can help you create your own games.

Code in a sentence

Web

Definition: A network or a spider's net.

• The spider built a web in the corner.
• The internet is also called the web.
• A web connects many things together.

Web in a sentence

App

Definition: A software application designed for mobile devices.

• I downloaded a new app for learning languages.
• There are many fun games in that app.
• She uses a fitness app to track her exercise.

App in a sentence

API

Definition: Application Programming Interface; a set of rules for software interaction.

• The API allows different programs to communicate.
• He learned how to use an API for his project.
• APIs are essential for building modern applications.

Request

Definition: To ask for something formally or politely.

• He made a request for extra time on the assignment.
• She sent a request to join the club.
• Understanding how to make a request can improve communication.

Request in a sentence

Response

Definition: An answer or reaction to something.

• Her response to the question was thoughtful.
• He waited for a response before continuing.
• The teacher appreciated the student's response.

Response in a sentence

Client

Definition: A person or organization that receives services from a professional.

• The lawyer met with a client to discuss the case.
• She is a client at the local hair salon.
• The company values every client highly.

Client in a sentence

Host

Definition: A person who receives or entertains guests.

• I will host the party at my house.
• She was a great host and made everyone feel welcome.
• He will host the event next week.

Host in a sentence

Link

Definition: A connection between two things; can be a website address.

• You can find the link to the article in the email.
• She clicked on the link to open the website.
• There is a link between exercise and health.

Link in a sentence

HTML

Definition: A markup language used for creating web pages and applications.

• She learned HTML to build her own website.
• HTML stands for HyperText Markup Language.
• Understanding HTML is essential for web development.

CSS

Definition: Cascading Style Sheets; a language used to style web pages.

• CSS controls how HTML elements are displayed on a website.
• She learned CSS to design her own blog.
• Understanding CSS is essential for web development.

Script

Definition: The written text of a play, movie, or broadcast; also refers to handwriting.

• The actor memorized the script for the play.
• She wrote a script for her presentation.
• The script was filled with interesting dialogues.

Script in a sentence

Program

Definition: A planned series of events or a software application.

• We have a fun program at school every Friday.
• I downloaded a new program to help with my studies.
• The program will teach you how to swim.

Program in a sentence

Software

Definition: A collection of programs and applications that run on computers and devices.

• She installed new software on her laptop.
• Understanding software is important for tech support.
• The software helps users manage their tasks efficiently.

Software in a sentence

Application

Definition: A formal request for something; a software program used on devices.

• I submitted my application for the scholarship.
• She downloaded a new application on her phone.
• The application is easy to use and helpful.

Application in a sentence

Website

Definition: A collection of web pages accessible through the internet.

• She found a helpful website for studying.
• The school has a website with important information.
• He visited a website to learn about history.

Website in a sentence

Protocol

Definition: A set of rules or procedures to be followed in certain situations.

• The protocol for the experiment was carefully followed.
• They established a protocol for handling emergencies.
• Understanding the protocol is important for safety.

Protocol in a sentence

Security

Definition: The state of being free from danger.

• They installed security cameras in the building.
• Security is important in our daily lives.
• She feels safe with good security measures.

Security in a sentence

Session

Definition: a period of time dedicated to a specific activity

• We have a study session after school.
• The training session lasted for two hours.
• She enjoyed the art session with friends.

Session in a sentence

Login

Definition: the process of entering an account or system

• The login requires a username and password.
• She forgot her login for the website.
• He completed the login successfully.

Login in a sentence

Logout

Definition: the act of signing out of an account or system

• Don't forget to logout before leaving.
• She clicked on logout to secure her account.
• He made sure to logout of the shared computer.

Logout in a sentence

Debug

Definition: To find and fix errors in computer programs.

• I need to debug my code before submitting it.
• She spent hours trying to debug the software.
• Debugging is an important step in programming.

Debug in a sentence

Version

Definition: A specific form or variant of something.

• The new version of the app has great features.
• I prefer this version of the song.
• They released a different version of the movie.

Version in a sentence

Upload

Definition: To transfer data or files from one device to another, usually to the internet.

• Please upload your homework by Friday.
• He learned how to upload videos to his channel.
• She will upload the photos from the trip later.

Upload in a sentence

Download

Definition: To transfer a file or data from the internet to a device.

• I need to download the homework assignment.
• He will download the app on his phone.
• She likes to download music for offline listening.

Download in a sentence

Framework

Definition: A basic structure that supports something.

• The framework of the building is strong.
• We created a framework for our research project.
• Understanding the framework helps in problem-solving.

Framework in a sentence

Endpoint

Definition: a specific point at which something ends

• The endpoint of the project is set for next month.
• They defined the endpoint of the experiment carefully.
• Understanding the endpoint helps in project planning.

Endpoint in a sentence

Function

Definition: The purpose or role that something serves.

• The function of a light bulb is to provide light.
• What is the function of this button?
• The main function of the app is to help with studying.

Function in a sentence

Variable

Definition: Something that can change or vary; not constant.

• The weather is a variable that affects our plans.
• In math, a variable represents an unknown number.
• There are many variables to consider in the experiment.

Variable in a sentence

Debugging

Definition: The process of finding and fixing errors in computer programs.

• Debugging is essential for ensuring software works properly.
• He spent hours debugging his code before submission.
• Understanding debugging improves programming skills.

Debugging in a sentence

Authentication

Definition: The process of verifying identity or access.

• Authentication is essential for online security.
• He set up two-factor authentication for his accounts.
• The system requires authentication before granting access.

Authentication in a sentence

Query

Definition: A question or request for information.

• He submitted a query about his order.
• The teacher answered her query about homework.
• I have a query regarding the project.

Query in a sentence

Data

Definition: Information collected for analysis.

• The data shows an increase in sales.
• We need to analyze the data carefully.
• His research includes a lot of data.

Data in a sentence

Module

Definition: A self-contained unit or component that can be combined with others; often used in education or technology.

• Each module of the course covers a different topic.
• The software consists of several modules for different functions.
• She completed the first module of her online class.

Module in a sentence

Performance

Definition: The act of doing something, especially in front of an audience; how well someone does a task.

• The performance of the students was impressive.
• He practiced daily for his music performance.
• Her performance in the play earned her applause.

Performance in a sentence

Deployment

Definition: The act of putting something into use or action, often in a military or project context.

• The deployment of troops was announced by the government.
• He coordinated the deployment of resources for the event.
• Understanding deployment processes is important for planning.

Deployment in a sentence

Middleware

Definition: Software that connects different applications or services to allow them to communicate.

• Middleware helps different software systems work together.
• They used middleware to integrate the applications.
• Understanding middleware is important for developers.

Authorization

Definition: Official permission to do something.

• You need authorization to access the building.
• She received authorization to conduct the research.
• The school required authorization for the trip.

Authorization in a sentence

Cache

Definition: a storage area for data

• The computer uses cache memory for quick access.
• He cleared the cache to improve performance.
• Cache helps speed up data retrieval.

Cache in a sentence

Scalability

Definition: The ability of a system to handle growth or increased demand.

• The software has great scalability for future users.
• Scalability is important for business growth.
• They are looking for solutions to improve scalability.

Scalability in a sentence

Bug

Definition: A small insect; can also refer to a problem or error.

• I found a bug crawling on the wall.
• There is a bug in my program that needs fixing.
• She loves to collect bug specimens.

Bug in a sentence

Version Control

Definition: A system that keeps track of changes to documents or files over time.

• Version control helps teams work on projects without losing data.
• She used version control to manage her code changes.
• Understanding version control is essential for collaborative work.

Integration

Definition: The process of combining or bringing together parts into a whole.

• The integration of technology in classrooms enhances learning.
• They worked on the integration of different cultures.
• Integration is important for a harmonious society.

Integration in a sentence

Architecture

Definition: The art and science of designing buildings and structures.

• He studies architecture at university.
• The architecture of the old building is beautiful.
• She wants to become an architect and design homes.

Architecture in a sentence

JSON

Definition: A lightweight data interchange format that is easy for humans to read and write.

• They used JSON to exchange data between the server and the client.
• The API returned data in JSON format.
• Understanding JSON is important for web developers.

XML

Definition: a markup language used to store data

• XML is often used for data interchange between systems.
• She wrote an XML file to organize the information.
• Understanding XML is useful for web development.

Asynchronous

Definition: not happening at the same time; occurring independently

• Asynchronous communication allows for flexibility.
• He prefers asynchronous learning to fit his schedule.
• The emails were sent asynchronously, so responses varied.

Asynchronous in a sentence

Synchronous

Definition: occurring at the same time; simultaneous

• Synchronous communication happens in real-time.
• They had a synchronous meeting to discuss plans.
• The synchronous nature of the event made it exciting.

Synchronous in a sentence

Load Balancing

Definition: Distributing workloads across multiple resources to optimize performance.

• Load balancing helps servers manage traffic efficiently.
• He learned about load balancing in computer networks.
• Effective load balancing improves application performance.

Microservices

Definition: Plural of microservice; multiple small applications that work together.

• The system uses microservices to handle different tasks.
• Developers prefer microservices for their modular design.
• Microservices allow for easier updates and maintenance.

Containerization

Definition: The use of containers for transporting goods efficiently.

• Containerization has revolutionized global shipping.
• Many companies benefit from containerization for logistics.
• The process of containerization improves delivery times.

Containerization in a sentence

Cloud Computing

Definition: The delivery of computing services over the internet, allowing for remote access to data and applications.

• Cloud computing provides flexibility for businesses.
• He stores his files using cloud computing services.
• Understanding cloud computing is important for modern tech.

Optimization

Definition: The process of making something as effective or functional as possible.

• They focus on optimization to improve performance.
• Website optimization helps increase traffic.
• He learned about optimization techniques in class.

Optimization in a sentence

Syntax

Definition: The arrangement of words and phrases to create well-formed sentences in a language.

• Understanding syntax is important for writing.
• The syntax of the sentence was incorrect.
• They learned about syntax in their grammar class.

Syntax in a sentence

Testing

Definition: The process of examining something to ensure it works correctly.

• They are testing the new software for bugs.
• The teacher is testing students on their knowledge.
• Understanding testing can improve quality assurance.

Testing in a sentence

Transaction

Definition: an instance of buying or selling something

• The transaction was completed online.
• He received a receipt for the transaction.
• They tracked the transaction in their records.

Transaction in a sentence

Versioning

Definition: the process of assigning version numbers to documents

• Versioning helps keep track of changes over time.
• The app uses versioning to manage updates.
• She explained versioning to her classmates.

Vulnerability

Definition: The quality of being open to harm or damage; susceptibility.

• Being vulnerable can help build strong relationships.
• She shared her vulnerability during the discussion.
• The report highlighted the community's vulnerability to disasters.

Vulnerability in a sentence

Web Service

Definition: a service provided over the web

• Web services allow applications to communicate.
• They developed a web service for data sharing.
• Understanding web services is vital in tech.

Caching

Definition: the process of storing data for quick access

• Caching improves the speed of websites.
• They learned about caching in computer science.
• Effective caching can enhance user experience.

Caching in a sentence

RESTful

Definition: Referring to a type of web service that uses HTTP requests to access and use data.

• RESTful services are easy to integrate with applications.
• He developed a RESTful API for the project.
• Understanding RESTful architecture is important for developers.

Storage

Definition: The action or method of keeping something for future use.

• The storage of data is crucial for businesses.
• She organized the storage area in the garage.
• Understanding storage solutions helps optimize space.

Storage in a sentence

Synchronization

Definition: the process of making things operate at the same time

• The synchronization of the schedules improved teamwork.
• They worked on the synchronization of their devices.
• Synchronization is important for keeping time accurate.

Synchronization in a sentence

Virtualization

Definition: The creation of virtual versions of physical resources.

• Virtualization helps optimize server usage.
• He learned about virtualization for cloud computing.
• The company invested in virtualization to save costs.

Virtualization in a sentence