Three short lines, and almost nothing happens: someone sits on a midday bus with a pear. That plainness is the point. The poem opens with "no words," and the speaker seems to be in a quiet state, not talking to anyone, perhaps not even thinking in sentences. The mind has gone still.
Then comes the pear, offered without comment. It's a small, ordinary thing, but in that emptiness it becomes the whole of the moment. The title, "Snack," keeps things light and modest, as if the speaker is simply noting what they have with them.
The mood is calm, a little solitary, and quietly content. Judging by the spare wording, the speaker isn't lonely so much as at ease, happy to sit with a piece of fruit and the movement of the bus. The poem suggests that a pause in the middle of the day, free of language and demands, can be enough. It asks us to notice small pleasures, and it does so without saying a single extra word.