The College of Science, Department of Mathematics, organized a one-day workshop titled "The Meanings of Prepositions," presented by Prof. Dr. Rabab Hussein Munir and Assist. Prof. Dr. Zainab Kamel Abdulhassan. The seminar aimed to clarify the common misconception that prepositions are meaningless, leading to frequent linguistic errors through the use of incorrect prepositions. Therefore, this seminar sought to explain the meanings of these prepositions.