Can I start a note or open the full board from the curtain?
Short answer: Yes. The curtain's side grid has the filter icons, a ＋ to start a new note, and a blue button that opens the full Junk Yard board.
Yes. A compact grid at one side of the curtain holds the filter icons, a ＋ to start a new note, and a blue button that opens the full board — a tall bar when the curtain is docked at the top, a round button when it's on the right.