How do artists create the illusion od depth

Primary techniques an artist can use to create depth in a painting are layering and overlapping, changing size and placement, linear perspective, and relative color, hue and value

Explanation:

answer; opinion;

earliest

neumes above text

neumes

colored lines

neumes

4-line staff

f, c, or g clef

notes on 5-line staff with clef

mensuration (longas and breves)

time signature (perfect or half circle)

most recent

notes on 5-line staff

modern clefs

modern note values (whole, half, quarter, and so on)

modern time signature

italian words and abbreviations for dynamics and tempo

staccato, slurs, and so on