Why are poems considered examples of self-expression?

Poems have many different meanings and theme and In a poem a writer can often discuss how they feel in the form of words and how the tone of of poem is expressed.

The one that best portrays the theme of "there was a child went forth" is the process of becoming. the ceaseless procedure of getting to be is at the core of the lyric. we progress toward becoming something or develop into something and this is the way toward getting to be, of progress and improvement. the interpenetration of the tyke's cognizance and physical marvels has appeared in this ballad, is one of the basic components of whitman's idea.