| Create node | Double-click empty canvas |
| Edit label | Double-click node or edge · Enter / F2 |
| Connect | Drag from a port dot to another node (drop on empty space to spawn a linked node) |
| Select | Click · Shift+click · drag a marquee |
| Move | Drag · arrow keys (Shift = ×5) · Alt = no snap |
| Resize | Drag corner handles of a selected node |
| Pan | Space+drag · middle/right drag · trackpad scroll |
| Zoom | Mouse wheel · pinch · Ctrl+scroll · + − 0 F fit |
| Delete | Del / Backspace |
| Undo / redo | Ctrl+Z · Ctrl+Shift+Z / Y |
| Clipboard | Ctrl+C V D · Ctrl+A all |
| Shapes | 1 2 3 4 — also restyles selection |
| Multi-line | Shift+Enter while editing |