An implied comparison where one thing is described in terms of another without using the words like or as (see simile). Emily Dickinson doesn’t write that “hope” is like a thing with feathers, she writes that “hope” is the thing with feathers. Sometimes the story of a poem is a metaphor for a larger idea, as in “The Road Not Taken,” where Robert Frost describes a forked road as a metaphor for the moment one chooses between two different ways of life.

Start here: