Summary: <p>The word "um" is a filler. Usually fillers are used to communicate that you want to continue speaking, implying that you shouldn't be interrupted. But fillers do a lot of other things to your communication too...</p>
Summary: <p>The word "um" is a filler. Usually fillers are used to communicate that you want to continue speaking, implying that you shouldn't be interrupted. But fillers do a lot of other things to your communication too...</p>