Drag cards between columns, drag a column by its handle. Double-click a name (or focus it and press Enter) to rename. + on a card adds 3 to 5 bullets. Everyone with the link sees and edits the same map.
Set a page's wave with the 1 · 2 · 3 buttons on its card; click the active one again to clear it.
1st wave
2nd wave
3rd wave
No wave yet
Status shows as the dot in the pill while waves are on.