The lever on a lighting control console that simultaneously dims all the channels from one cut to the next is a crossfader.
A crossfader can be defined as a control on a DJ mixer that allows the mixes to be created, so nowadays is a very basic tool.
The crossfaders became common in the '70s when they were used by the DJ to make mixes.
C. He uses personification to give the fog the human quality of disillusionment.
The fog can hunch,move, and can look which are some human qualities. The fog seems human because of the qualities.
I hope this helped