“Information generally known to an educated reader, such as widely known facts and dates, and, more rarely, ideas or language. Facts, ideas, and language that are distinct and unique products of a particular individual's work do not count as common knowledge and must always be cited” (Harvard Guide to Using Sources, “The Exception: Common Knowledge”).
“A form of protection provided by the laws of the United States for ‘original works of authorship’, including literary, dramatic, musical, architectural, cartographic, choreographic, pantomimic, pictorial, graphic, sculptural, and audiovisual creations” (U.S. Copyright Office Definitions).
“Intellectual property (IP) refers to creations of the mind, such as inventions; literary and artistic works; designs; and symbols, names and images used in commerce” (World Intellectual Property Organization).
“The act of falsely claiming to be the author of material actually authored by another” (Villanova University, General Counsel, “Plagiarism vs. Public Domain”).