Discussion (6)
'discussion' is the definition.
(I know that debate is a type of discussion)
This is the entire clue.
(Other definitions for debate that I've seen before include "Discussion with arguments for and against" , "Verbal disputation" , "A public discussion about a topic" , "Exchange of views" , "Ponder" .)
(Other definitions for confab that I've seen before include "Exchange" , "Talk informally" , "jaw" , "casual conversation" , "gossip" .)
'discussion' is the definition.
(I know that dialogue is a type of discussion)
This is the entire clue.
(Other definitions for dialogue that I've seen before include "The words spoken by characters in a play" , "part of play one can't perform" , "Lines spoken in films, books etc" , "Talks" , "Discussion" .)
'discussion' is the definition.
(I've seen this in another clue)
This is all the clue.
(Another definition for back and forth that I've seen is " To and fro".)