3V0679.01 OKAY: communication ending with acknowledgment (12/2/79)

While I prepared a lecture, Peggy brought a toy to me and named (it) in
her way of imploring me to play with her —
Peggy: Train. Train.
Bob: Take it out to Robby.
Peggy: ‘Kay. (takes the toy to Robby. They play.)

This very simple conversation show Peggy’s conventional use of a
common communication protocol that concludes with a message of
acknowledgment (ie. I have received your message and am satisfied
with it.) Such a response, especially when followed by the related
action, should be looked for as evidence that Peggy interprets to her
satisfaction what we say to her.