Incomplete list of labels describing behaviour:
Apply ⋅ Level ⋅ First ⋅ Every ⋅ Align ⋅ Cross ⋅ Lease ⋅ Forth ⋅ Prior ⋅ Range ⋅ Plane ⋅ Whirl ⋅ Merge ⋅ Check ⋅ Until ⋅ Retry