A Scale

1. (obsolete) A ladder; a series of steps; a means of ascending.
2. An ordered, usually numerical sequence used for measurement, means of assigning a magnitude.
3. Size; scope.
4. The ratio of depicted distance to actual distance.
5. A line or bar associated with a drawing, used to indicate measurement when the image has been magnified or reduced. Scale (map) - Wikipedia
6. (music) A series of notes spanning an octave, tritave, or pseudo-octave, used to make melodies.
7. A mathematical base for a numeral system; radix.
8. Gradation; succession of ascending and descending steps and degrees; progressive series; scheme of comparative rank or order.
9. A standard amount of money to be received by a performer or writer, negotiated by a union.