"Conversational turns" refers to the times when people take turns speaking during a conversation - one person speaks while the other listens, and then they switch roles. Full definition
By paying attention to the ways you talk to her, she's learned about conversational turn - taking — that two people go back and forth when they talk. (enfamil.com)
Beta waves rise and fall during intense conversational turns. (sciencenews.org)
She takes wild conversational turns to bring up the surgeries I could have, the ways I could be healed. (fictionsoutheast.com)