Shading is showing the objects' roundness or shape; shade is the blocking of a light source; and shadow is the variation between black and white with the darkest part at the center and the 'shadow' fades at the edges.
Believe it or not, they were found by four teenage boys!
I think that three steps are purchasing, selecting, presenting
Semitone: the tone at a half step
Tone: .
a musical or vocal sound with reference to its pitch, quality, and strength.
im srry but huh wut do u mean
