The document defines plagiarism as submitting work that is not one's own and discusses different types of plagiarism such as copying text, images, or entire works without citing sources. It provides examples of plagiarism like turning in another student's work or buying an essay online and presenting it as original work. The document notes that plagiarism is a form of academic dishonesty and cheating. It also explains that plagiarism can be detected by software that checks for copying from other sources and that lecturers will use such software to determine if a student has plagiarized based on proper citation of sources.