Metaphors are different because they do not include comparisons using "like" or "as".
A subtle, indirect comparision without directly stating the object.
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