These Markers Introduce Topics in Conversation

This page is the CodyCross answer for the clue below from Prehistory, Group 1244, Puzzle 5 (Hominid Ancestors).

Question is: These Markers Introduce Topics in Conversation

and the answer is: DISCOURSE

Word Meaning:

DISCOURSE — (uncountable, archaic) Verbal exchange, conversation.

Definitions from Wiktionary.