descend
move or fall downward
depart
to leave.
deliver
to bring something to someone.
crush
to damage something by squeezing it very hard.
crumble
break or fall apart into small fragments, especially over a period of time as part of a process of deterioration
cross
to go over something, from one side to another.
cover
to put something over or on something else.
conway's Game of Life
a cellular automaton devised by the British mathematician John Horton Conway in 1970