A repository is usually used to organize a single project. Repositories can contain folders and files, images, videos, spreadsheets, and data sets – anything your project needs. We recommend including a README, or a file with information about your project. GitHub makes it easy to add one at the same time you create your new repository. It also offers other common options such as a license file.
Branching is the way to work on different versions of a repository at one time.
By default your repository has one branch named master which is considered to be the definitive branch. We use branches to experiment and make edits before committing them to master.
On GitHub, saved changes are called commits.
When you open a pull request, you’re proposing your changes and requesting that someone review and pull in your contribution and merge them into their branch. Pull requests show diffs, or differences, of the content from both branches. The changes, additions, and subtractions are shown in green and red.
GitHub Pages are public webpages hosted and published through our site.
You can create and publish GitHub Pages online using the Automatic Page Generator. If you prefer to work locally, you can use the GitHub Desktop or the command line.
Pages are served over HTTP, not HTTPS, so you shouldn’t use them for sensitive transactions, like sending passwords or credit card numbers.