A Github repository is basically a folder designed to store files. It is also available online for anyone to download, access, and contribute to the files/code within the folder.

Jack Wallen shows you how easy it is to clone a repository from GitHub.

Then continue to update files, add them to the staging index and perform subsequent commits. If a developer wants to share their code with others, they can add a remote repository on GitHub or GitLab ...

Everything you pull from GitHub will be an initialized Git repository, with files inside that allow it to interact with Git, and in turn, allow you to pull updates.