The phrase "a broad command of" is correct and usable in written English.
It can be used to describe someone’s extensive knowledge or proficiency in a particular subject or skill.
Example: "Her broad command of multiple languages makes her an invaluable asset to the international team."
Alternatives: "a deep understanding of" or "a strong grasp of".
The first factor is a broad command to consider "the nature and circumstances of the offense and the history and characteristics of the defendant". 18 U. S. C. §3553 a)(1).
He has an equally broad command of timbre and gives himself a lot of space to work with, often slowing tempos to a crawl.
According to Mr. Gilliam, the report was unrelated to any effort by the Defense Department to rebut suggestions of a broad command failure.
Its distinguished orchestra, made up of top-flight instrumentalists--including important first-desk players--from symphonic ensembles around the United States, performs with high energy and stunning precision; its string and wind components are polished and blended to a shine, and their dynamic range is broad, their command of detail exquisite.
To Mr. Dacey and other F.A.A. traffic supervisors who command a broad swath of the Northeast sky out of the Air Route Traffic Control Center at MacArthur Airport in Islip, L.I., the figures on delays offer little mystery.
Time spent nailing down the nuances of one cuisine is time a chef isn't using to maintain a good-enough command of a broad range of dishes.
The Air Force decided last month to stick with its $12 billion Global Hawk program, betting that the unmanned drone can replicate the aging U-2's ability to sweep up a broad mix of intelligence from commanding heights, and do it more safely and for much longer stretches than the piloted U-2.
If there ever was a time and place when a broad cross-party coalition government was needed to ensure negotiation of an agreement that would command support across a broad spectrum of the public and by a majority in the Parliament, it was the UK after the 2016 referendum.
So military planners on the Pentagon's Joint Staff and in its field commands are offering a broad range of approaches, depending on how events play out in Libya and how tough the United States and its allies want to be.
The lack of political parties meant that Davis could command no loyalty from a broad group of people such as governors or political appointees when he came under heavy criticism.
