Traces refer to small signs or evidence left behind that indicate the presence or actions of something or someone. They can be physical, like footprints in the sand, or chemical, like residues left by a substance. Traces help scientists, detectives, and researchers understand past events or behaviors. In nature, traces can include animal tracks, which reveal information about species and their movements. In forensic science, traces such as DNA or fingerprints are crucial for solving crimes. Overall, traces serve as important clues that provide insight into various situations and phenomena.