A page is a table with columns you choose. Handy for sources, a plan, a list of contacts or anything that fits in rows.
Create a page
Click New next to Pages in the sidebar. Give the page a name. You get a table with a first column.
Columns
Click the plus to the right of the last column. Choose the type: text, number, choice, date, checkbox or a link to another page. You can rename and drag columns.
Rows
Type in the empty row at the bottom to create a new row. Open a row to see and edit all fields on their own detail page.
Subpages
You can create subpages under a page; they appear as tabs at the top. Everything that belongs to a page is in its own folder in Files.