Define the following terms:

- medium
- political power
- portrait

Medium: Material of a work of art.

Political power: An influence, usually political, or authority over others.

Portrait: A likeness of someone,usually painted for purpose to memorialize the person.

medium: material of a work of art.

political power: an influence usually political or authority over others.

portrait: a likeness of someone usually painted for purpose to memorialize the person.

the answer of "what has three legs but never walks" is a yard stick. this answer can be found at