Related Clues:

• Comment with a nod
• Words from a follower
• Indication that you get it
• Radioer's ''OK''
• Radioer's 'Got it'
• ''Makes sense''
• "Right, right"
• "That makes sense to me now"
• 'Oh, that's how it is!'
• ''Got it"
• Ackroyd's acknowledgement of message received?
• Radio confirmation
• Chap as oarsman losing weight - good to replace it
• One like de Coverley, received and understood
• Message received!