Did you know that many common words and expressions come from art terms?

to point at

a point of view
the point of no return

skyline

deadline
to cross the line

meeting point
match point

gunpoint

to be obtuse
to be square
social circle
ice cream cone

to go straight to the point

to be green with envy

yellow journalism
to be blue
to be yellow-bellied
to be caught red-handed
to turn red
a grey area
to be kept in the dark

If you remember some more words or expressions, please, send them to me to add to the blog...