The term discrepancy is traditionally used across various fields, including mathematics, statistics, business, and everyday language. It identifies a difference or inconsistency between 2 or more things that are hoped for to match. Discrepancies can often mean an error, misalignment, or unexpected variation that will need further investigation. https://k12.instructure.com/eportfolios/800714/Home/Understanding_Discrepancy_Definition_Types_and_Applications_