If a picture is worth a thousand words, a poem is worth ten-thousand. Poetry constructs an image and illustrates underlying ideas that the writer wants to convey. A poem has many aspects that make it what it is, the subject - or what the poem talks about on the surface, the theme - the underlying message expressed, and the tone - or the overall feel of the poem, are attributes that most poetry is full of.
The subject of a poem is what the poem talks about externally. …