The acronym COC is typically short for "chain of custody," which refers to the chronological documentation, or trail, that tracks the handling of evidence. However, there are a few different synonyms that one can use to describe this concept. For example, "documentation trail" or "paper trail" are often used to refer to the written recording of each step in a process. Additionally, "evidence handling log," "tracking sheet," or "receipt form" can all be used to describe the physical or electronic documents that make up the COC. Maintaining a proper COC is crucial in ensuring the integrity and admissibility of evidence in court cases or other legal proceedings.