This document defines and discusses plagiarism. Plagiarism involves using another person's work without proper citation or acknowledgement and can take various forms such as copying a friend's paper, using someone else's words or ideas as your own, or copying text or images from online without attribution. The document explains that plagiarism is considered a serious academic offense that can result in penalties. It provides guidance on how to avoid plagiarism through practices such as citing sources, quoting and paraphrasing text appropriately, and keeping track of sources.