Not the parent, but I recently listened to an audio book by Matt Abrahams on communication that you might find interesting. Several of the anecdotes and evidence explained really hit home for me in regards to being able to communicate ideas in a meeting room.

One of the first stories describes almost the exact situation from the top comment in this thread, where someone with a great idea in an organization needed to communicate the idea to the rest of the team.

I'm usually not a fan of self help type books, but I think stuff like this is good to listen to here and there:

https://www.amazon.com/Think-Faster-Talk-Smarter-Successfull...