<p><strong>Noun</strong></p><ul><li>The study of the rules and patterns by which sentences and phrases are formed in a language.</li><li>The rules or patterns so studied.</li><li>A presentation of these rules or patterns.</li><li>An instance of these rules or patterns.</li><li>The grammatical rules and structural patterns governing the ordered use of appropriate words and symbols for issuing commands, writing code, etc., in a particular software application or programming language.</li><li>The branch of modern logic that studies the various kinds of signs that occur in a system and the possible arrangements of those signs, without reference to their meaning.</li><li>A system or orderly arrangement.</li></ul>