Analyzing Poems   

A Poison Tree

The poem "The poison Tree" by William Blake  it is a extended Metaphor like anger is to poison Tree. the poem means if you don't tell yoour foe your anger , that anger like a tree and one day "it bore an apple bright" and  the 
anger is so strong that can lied to death

Death is a Fisherman 

The Poem "Death is a Fisherman" by Benjamin Franklin   it"s a metaphor .  For example on line 1 it compares death to a fisherman and all the fish that come to him goes to the net.