Meaning : Move downward and lower, but not necessarily all the way.
The temperature is going down.
The barometer is falling.
The curtain fell on the diva.
Her hand went up and then fell again.
The fog lifted.
The smoke arose from the forest fire.
The mist uprose from the meadows.
We ascended the mountain.
Go up a ladder.
The mountaineers slowly ascended the steep slope.