Fair Use is not a form of plagiarism because it is a legal concept that allows limited use of copyrighted material without permission from the copyright holder. It is a defense against copyright infringement and is based on the principle of promoting freedom of expression and the advancement of knowledge. Fair Use allows for the use of copyrighted material for purposes such as criticism, commentary, news reporting, teaching, scholarship, and research, as long as the use is considered fair and does not harm the market value of the original work.