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In this tutorial, we’ll use both interchangeably. You’ll also often see it referred to as the terminal.

The command line: The command line is a text-based interface used to run commands on your computer.Learn more about JavaScript with the Basic JavaScript course on freeCodeCamp.In this Tutorial you will use the following concepts: creating and using variables, destructuring objects and arrays, arrow functions, array methods like.JavaScript: A programming language that lets you make your web content dynamic and interactive.Learn more about CSS with the Basic CSS course on freeCodeCamp.CSS: A presentational language used to style the appearance of your web content (fonts, colors, layout, etc).Learn more about HTML with the Basic HTML and HTML5 course on freeCodeCamp.You use HTML to add structure to your web content, defining things like headings, paragraphs, and more. HTML: A markup language that every web browser is able to understand.You'll pick up a lot through the course of the Tutorial. Don't worry, you don't need to be an expert with these! A high-level understanding of the basics should be enough.