A project contains all the clips you create.
All clips in a project must be with the same actor and same outfit.
To create clips with different actors or different outfits, create several projects.

Yes.
You can save your project at any stage by clicking the "Save My Project" button which will be available in all the next screens.
You can later access all your saved projects by clicking "My Projects" at the top menu.

Each project, like the one you are starting now, features only one actor in one outfit.
To order clips with another actor or with a different outfit, finish this project, add it to the shopping cart at the end of the process or save it for later at any stage, and then start another project with the next actor or outfit.
You can save your project at any stage by clicking the "Save My Project" button, at the bottom right of each screen.
You can later make changes to your projects at any stage, by accessing them from the My Projects menu, at the top of the screen.

The project name is used for your own reference, so you can refer to this project in the future.