Traditional Culture Encyclopedia - Photography and portraiture - It's called subtraction in photography. What are the specific requirements in practice?

It's called subtraction in photography. What are the specific requirements in practice?

Because photography is recording.

In other words, you must choose what to record and what not to record.

And drawing is drawing on a blank sheet of paper, choosing what to draw and what not to draw, and then adding.

Photography, there is a tree, you can only choose to shoot the crown or trunk if you shoot it. So it's subtraction