Concept:Satire combines humour and criticism to expose flaws in order to bring about positive change.Explanation:Satire is not just about finding fault or provoking laughter alone.It uses wit and irony to point out weaknesses in people, society, or institutions.The main goal of satire is corrective: it humorously criticises a situation so that it can be improved.Among the given options, this purpose is best expressed by the idea of humorous criticism aimed at improvement.Answer:B. humorously criticises to improve a situation