Possible Clues:

• The words spoken by characters in a play
• Put up with topless fashion exchange
• In a manner of speaking, alter the shade of the tree trunk, by the sound of it
• Agile duo in conversation
• One way to die with a tree trunk, in a manner of speaking
• Terrible record, some say, for conversation
• Back-and-forth
• Crazy duel with Iago in part of play one can't perform
• Screenwriter’s output
• Turns up, university in, for example, Oxford put down conversation between a number of people