A particular part of a written legal document, for example a law passed by Parliament or a contract. (Cambridge Dictionary)
A clause is a section of a legal document. (Collins Dictionary)
A particular and separate article, stipulation, or proviso in a treaty, bill, or contract. (Oxford Dictionaries)
A unit of grammatical organisation next below the sentence in rank and in traditional grammar said to consist of a subject and predicate. (Oxford Dictionaries)
Limitation of liability clause.
A limitation of liability clause (sometimes referred to simply as a liability clause) is the section in a contracted agreement that specifies the damages that one party will be obligated to provide to the other under terms and conditions stipulated in the contract.
Clauses are the building blocks of English sentences, groups of words that contain a subject and a verb.