No screenshots or example files, but I’ll try my best answering your questions:
- You’re right, I’ve got everything inside one file right now. This is due to Sketch limitations (can only use Symbols from inside your current file). Hopefully soon this might change.
- Ideally, I’d have multiple pages with Symbols on them. If so I’d name the pages “Symbols/Icons” and “Symbols/Cells” and “Symbols/Layout” for example (in that order, as Icons are building blocks for Cells, and Cells are building blocks for Layout).