knowledge of something, especially a language, or ability to use something
He’s studied in the US and has a good command of English.
Her command of the English language was evident in the eloquent speech she delivered at the international conference.
The pilot's exceptional command of the aircraft averted a potential disaster during the challenging weather conditions.
The software engineer demonstrated a high command of programming languages, easily tackling complex coding tasks.
The conductor's command of the orchestra was evident as the musicians seamlessly followed his precise cues, creating a harmonious performance.
