I have worked with Rapid Weaver, Foundation 6, and Total CMS1 for years, I think 15 years at least. Originally I came to Rapidweaver over 15 ago and used Nick Cates and Joe Workman templates.
Total CMS was a games changer, simple websites that via the admin panel a client could create as many pages as the wanted. Like this site, https://brynovationgundogs.co.uk
This site use 4 sections in the project file as below
If you add a new markdown file, that will become the new page in a collection. An example of this is a blog, or perhaps a portfolio with a separate page for each item.
Ben’s third CMS video here shows how you would do this for a portfolio collection.
I would recommend watching the Getting Started CMS series as this will give you a better idea how it all works and what’s possible