This Is Just to Say - William Carlos Williams
This is a simple poem simply stating what the speaker has done, getting straight to the point just as the speaker went straight to eating the plums from the icebox.
In a Station of a Metro - Ezra Pound
The faces of people in the metro easily appear (or come) and fall away (or go) just as petals on wet branches.
l)a - e.e. cummings
This poem describes loneliness as a single leaf falling to the ground, using the form as a visual representation of what is happening.