Every word and gesture needs to be purposeful. You do not want to be the buoy on the ocean bobbing up and down. Here are 3 steps to be purposeful:
First, take your gestures purposeful. That means that you do not want to look like Moses walking aimlessly around the desert.
Make Your words purposeful. Select your words on purpose. Lastly, make your Visual purposeful. If you want to convey that you are the right person to lead an organization then make your color choice purposeful.