FR: allow the child nodes in canvas to be hidden or displayed; allow users to set hotkeys for different functions

Arrows are just a conceptual tool. And they can be bidirectional. There is no explicit hierarchy, as far as I know.

I’m going to close this thread for being duplicates. And yes, please follow the template and make sure you search first before posting in FR.

This is a somewhat related FR regarding hiding “children”. Collapsing groups. Canvas: collapsable groups

This is a duplicate regarding color hotkeys. [With demo] Canvas: Hotkeys for adding items, navigating and changing color