reserved
persuasive
to put in a nutshell
beat about the bush
extrovert
concise
to get straight to the point
to keep someone in the loop
coherent
rampling
clear and easy to understand
reluctant to speak
to include someone in the communication
outgoing and fun loving
to talk about the most important point
succinct
good at influencing people
to delay talking about something
talking in a confused way
to make it brief