Sometimes, it's helpful to split large forms between multiple pages, similar to how a paper case report form may look. This can be done using the page functions indicated below.
The items highlighted above, from left to right, are add page, delete page, and the pages that exist.
Select a page by tapping the Page button. Edit the page name at the top right, as indicated by the arrow above.
Read the form building guide for more info on creating forms.