| F · pick a type | New frame: click to drop it, drag to size it, or Enter to place it next to the others |
| Hover a box | ＋ handles: bottom cause, top effect, sides sibling |
| P · A · M · O | Parallel · AND · MAG · exclusive OR: dial, held while dragging, ⌥ shortcuts |
| Click / drag a side ＋ | Sibling (the dial asks which junction). Drag to place it, or onto a box |
| Click top / bottom ＋ | New effect above / new cause below |
| Drag top ＋ across arrows | Picks the arrows crossed; let go in empty space, then choose the junction |
| Drag top ＋ onto a box | Parallel arrow into that box |
| Tab · ⇧Tab · ⇧Enter | New cause · new effect · new sibling (dial) |
| ⌥P ⌥A ⌥M ⌥O | New sibling with that junction, no dial |
| Drag a box · ⌘-click · drag on empty | Move · add to selection · select an area |
| U · Enter · Esc | Entity↔UDE · edit or finish · cancel |
| Click a junction | Change it |
| % · click (33%) | Set a MAG arrow's share; the MAG always totals 100% |
| Click empty frame space or its title | Select the frame: lock, hide or delete it. Double-click the title to rename |
| ⌘S · ⇧⌘S · ⌘O | Save to a file · save as a new file · open a file. Nothing is stored in the browser |
| # · Wand · ⊠ | Number · auto-arrange · clear the selected frame |
| Space-drag · scroll | Pan · pinch or ⌘-scroll to zoom |