What are illustration of metaphor?

A metaphor is saying something is something else.eg.Your love is the fire in my heart.The event was the cherry on my cake.The tree is the life system of the field.

A metaphor for a metaphor?! A1: there isn't such thing it is just called a metaphor. A2: Alfred Jarry called it a pataphor...

smell of pumpkin pie hit me in the face

A metaphor is used for comparing two words without using like or asEX in stead of saying, "the girls hair was like a field of golden wheat." you would say, "the girls hair is a field of golden wheat."

it can mean somthing as simpel as picture. for more check out wikipedia: http://en.wikipedia.org/wiki/Illustration