Dave Bonta's "Sun line" is a tiny poem that works by pairing odd images and letting them settle. It opens with "white light and simple talk," two plain things, and says they "promise a Zen of salt." Salt suggests something stripped down and essential, and "Zen" adds a sense of calm attention. The idea seems to be that bright, unfussy light and easy conversation hold out a kind of clarity, though the word "promise" leaves it unsure whether that clarity actually arrives.
The second stanza shifts the scene. A "road in the country / of a hand" most likely points to the lines on a palm, or perhaps a sunlit line running across skin. The title's "sun line" fits that reading. The speaker seems to feel quiet wonder rather than strong emotion, noticing how a small body part can hold a whole landscape. The mood is still, bright, and meditative, asking us to slow down and look closely.