2
For two objects (actor muɴ- & theme) to line up with each other (loc ref), as described above.
Mumpopotto': focus is on three or more objects lined up with each other.
For someone (actor) to put something (theme i-) in line with something else (loc ref), as described under 1.
For someone (agent) to let something (theme puɴ-on) be in line with something else (loc ref), as a foundation post with another, a stone wall with another, a house with another house.