"l(a)" by E.E. Cummings: This poem is themed around the idea of individuality, oneness, and loneliness. The shape of the poem is really unique and it further reinforces the themes.
"This Is Just to Say" by William Carlos Williams: This poem is written as if it is a note left on a kitchen table. The speaker is apologizing for eating these delicious plums. The form of this poem includes many pauses that hints the speaker is having difficulty apologizing for what he did.
"The Station of the Metro" by Ezra Pound: This poem is extremely short, so the title is important to understanding what the poem is about. It seems to be about the observations the speaker has of people waiting at the station for a train.