Nausha Ameen's poem is about the people who drift out of our lives, especially the ones who leave without a goodbye. The speaker pictures faces that look ordinary: the same smile, the same blue sky overhead, each person still waiting for "their own sunshine." They seem to share one world, yet they are no longer together.
The feeling here is quiet sadness, with a little bitterness underneath. The speaker says these faces have been "lost in your memories to dust," as if time has worn them down until they are hard to recall. Still, the memories were real, made "once you were together," and the ending hurts because of the unsaid goodbye. Nothing was closed off properly, so the loss has no clear edge. The title, "neither lost nor found," fits this well: these people are not gone for good, but they are not within reach either. The mood is wistful, soft, and unresolved.