I
In music, primary pitches of a key or mode arranged within an octave.
Scales are distinguished by the pattern of the interval s between adjacent notes. A scale can be seen as an abstraction from melody
that is, the pitches of a melody arranged in stepwise order.
II
[c mediumvioletred] (as used in expressions)
{{link=Richter scale">Richter scale
San Jose scale
scale insect