A visual metaphor is effective because
a. it provides a way to pass down stories from generation to generation.
b. it is the only known artistic method that allows artists to convey both his/her tastes and ideas at the
same time.
it is a visual representation of a group or culture's beliefs, which can be understood by all people.
d. it allows an artist to use one or more images to replace another, in order to convey a message or
idea.