The study aims to review the subject of (the subject of naming some grammatical terms), and explained that each science has its terms that are recognized among its people, and that terms have a wide effect on understanding the data of science and deciphing its secrets, especially grammar, and the study also included mentioning the reason of naming some grammatical terms, and what differed in the rease of naming them, and one of these terms was: (empty exception, name, verb name, expression, letter, implied, absolute effect, effect with it, incompretent, link). One of the most important results of the research was: that there is a close link between grammatical terms and their names, and this was evident through the explanation of the naming of these terms, whether the case is based on a semantic dictionary, a formal body, or a grammatic function. Keywords: Term _ grammar _ reason _ name.