She has a reputation that 'commands' attention/respect. [=people give her respect/attention because of her reputation]
In the United States, the President as the commander in chief is at the head of the military 'chain of command'.
She seems to be 'in (full) command of' the situation. [=she seems to have complete control of the situation]
(..) the interdepartmental tournament this weekend. In order to function better as a fighting unit, I thought we should establish a chain of command. Now, it goes without saying that I would outrank the three of you, but the question remains, (..)2011 TvShow: The Big Bang Theory Title: The Skank Reflex Analysis Season: 5 Episode 1