Understanding Web Development

Learn about the tools and concepts every developer needs to know

A README file displayed in a code editor

What is the purpose of a README file?

When you open someone's project for the first time, the README is the first thing you read. It tells you what the project does, why it exists, how to install it, and how to use it. Without a README, other developers would have no idea where to start. Writing a clear README is one of the most important habits a developer can build.

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A hand-drawn wireframe sketch of a webpage layout

What is the purpose of a wireframe?

Before writing a single line of code, designers and developers draw a wireframe. It is a simple sketch that shows where each part of the page will go — the header, the images, the text, the buttons. Think of it like the blueprint of a house. You plan before you build. A wireframe saves time and avoids confusion later.

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A diagram showing Git branches

What is a branch in Git?

A branch in Git is like a safe copy of your project where you can make changes freely. While you work on your branch, the main code stays untouched. When your work is finished and tested, you merge your branch back into main. This is how developers work together without breaking each other's code.

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