Question

What is relative scale?

Answer 1

is a method used to create and determine the spatial position of a figure or object in 3D picture plane; objects or figures that are more distant are drawn smaller in size than those objects or figures that are closer to the viewer.

Answer 2

Relative scales are scales that share the same set of notes — much like you have DNA in common with your relatives. Every major scale has a relative minor scale, and every minor scale a relative major. For example, the C major scale and the A minor scale are relative scales.