4 short videos (Communication styles)

frightening, making you feel worried and not confident

an additional result of something you do, which may not have been clear when you first decided to do it; implication

(a)  

to improve your skill at doing something, especially when you are already very good at it

(a)  

a (a)   method, product, practice etc has been used for a long time and is considered the usual type

It's a complex situation but we'll work (a)   it. (We will solve it soon)

Length of time you can concentrate and listen effectively

(a)  

His brilliant sense of humor is his ___________.

A complete ___________ is necessary to achieve measurable results after discussion.