A directory is an organized list of information that helps you find what you're looking for. Think of it like a guidebook that tells you where things are.

The most familiar type might be a phone directory (often called a phone book), which lists people's names, addresses, and phone numbers in alphabetical order. Before the internet, these thick books were how people looked up anyone's contact information.

In computers, a directory works the same way but organizes files instead of people. When you save a document, photo, or game on a computer, it goes into a directory (sometimes called a folder because it looks like one on your screen). You might have a directory called “School Projects” that contains all your homework files, or a “Photos” directory with pictures from your last vacation. Directories can contain other directories inside them, creating an organized system so you can find things quickly instead of having thousands of files jumbled together.

Schools often publish student directories with contact information for families. Businesses create employee directories. The key idea is always the same: a directory sorts and organizes information so you can locate what you need without searching randomly through everything.