A project groups everything about one piece of work: its folders, components and connectors. Projects show in the sidebar, under Projects, one click away.
Give it a name and, if you like, an image. A project is always created at the root of the workspace.
Click the project in the sidebar. You create folders, components and connectors there just like in All Files.
Right-click (or …) a project:
Deleting a project is permanent: it doesn't go to the trash.
The number of projects depends on your plan.