What's the noun for clauses? Here's the word you're looking for.
clause
(grammar) A verb, its necessary grammatical arguments, and any adjuncts affecting them.
(grammar) A verb along with its subject and their modifiers. If a clause provides a complete thought on its own, then it is an independent (superordinate) clause; otherwise, it is (subordinate) dependent.
(law) A separate part of a contract, a will or another legal document.