The subject matter of a poem - as opposed to the form.
[n] something (a person or object or scene) selected by an artist or photographer for graphic representation; "a moving picture of a train is more dramatic than a still picture of the same subject"
[n] the sum or range of what has been perceived, discovered, or learned
[n] what a communication that is about something is about
[n] everything that is included in a collection; "he emptied the contents of his pockets"; "the two groups were similar in content"
[n] the amount that can be contained; "the gas tank has a capacity of 12 gallons"
[n] the proportion of a substance that is contained in a mixture or alloy etc.
[n] the state of being contented with your situation in life; "he relaxed in sleepy contentedness"; "they could read to their heart's content"
[v] satisfy in a limited way; "He contented himself with one glass of beer per day"
[v] make content; "I am contented"