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]
(..) Thanks. So do you. It's not a bad place to grow up, if it wasn't so cold. Stay close to that forge, then. - Is that a command, Lady Stark? - Don't call me that. As you wish, milady. ARYA: Here's my wish. Can you make it? (..)2019 TvShow: Game of Thrones Title: Winterfell Season: 8 Episode 1
(..) Daenerys will need somewhere to retreat if they can't hold the North. Somewhere the dead can't go. You're my queen. I go where you command. You want to go to Winterfell. To fight for the Starks. Go. What is dead may never die. What is dead may never die. (..)2019 TvShow: Game of Thrones Title: Winterfell Season: 8 Episode 1