"Unidentified" refers to objects or phenomena that have not been recognized or classified. This term is often used in various fields, including science, art, and even in discussions about UFOs (Unidentified Flying Objects). In the context of UFOs, it describes aerial phenomena that cannot be easily identified by observers or experts. In scientific research, "unidentified" can apply to species, artifacts, or data points that lack sufficient information for classification. For example, a newly discovered animal might be labeled as "unidentified" until it is studied and categorized by biologists. This term highlights the ongoing quest for knowledge and understanding in various disciplines.