It falls under the category of “auto-speak.” Meaningless words spoken by reflex. Made famous by “And um,” and “Y’ know,” the habitual phrase, “Does that make sense” is used in various forms, including, ““You know what I mean?” and my favorite, “Are y’all following me?”
Does that make sense? (Oops.)
At face value, do we want a response to “Does that make sense?” What if we said, “No, that makes no sense at all,” or “I have no idea what you’re talking about.” How about, “Have you lost your mind?
No, we can’t do that. We nod, we affirm.
We count how many times they say it.