A more thorough explanation:

Term: PER EXPRESSUM Definition: Per expressum (pronounced puh-r ek-spres-uhm) is a Latin term that means something is stated clearly and explicitly. Example: The contract stated per expressum that the buyer was responsible for all shipping costs. Explanation: In this example, the term per expressum is used to indicate that the contract clearly and explicitly stated that the buyer was responsible for all shipping costs. This term is often used in legal documents to emphasize that a particular point has been stated in a clear and unambiguous manner.