* Formal: "I require further clarification on the terms of the agreement before I can sign."
* Informal: "Could you give me some clarification on what you mean by 'finishing early'?"
* Direct: "I need clarification on this point before I can proceed."
* Concise: "The speaker's clarification cleared up the confusion."
* Figurative: "The teacher's explanation provided a much-needed clarification to the complex theory."