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]
(..) for five years and just because I outrank you does not mean I have the authority to command your services. Oh. It's also pretty clear that you think you're too smart (..)2011 TvShow: Suits Title: Pilot Season: 1 Episode 1
(..) I'm not going to repeat myself. I love you. The firm operates on a chain of command model. Harvey's your commanding officer. However, Louis Litt, he oversees all associates, (..)2011 TvShow: Suits Title: Pilot Season: 1 Episode 1