the main data objects and concepts in the WeWrite App system are:

• Page - the main thing, everything is a page with a Pledge bar floating on it
• User - a user has a User page / bio as well as a Page list and other user metadata
• Group - collection of users and collectively owned pages, heightened Permissions for members of the users, ability to skip Moderation
• Pledge bar - floats atop every screen, every page. Donate to things and then Adjust budget

Full glossary here:

Product Glossary