The sentence is correct and usable in written English.
You can use it when you want to express that someone has a thorough understanding of a subject or situation. For example: Kate is an expert in philosophy; she has a deep understanding of the subject.
And she has a deep understanding of her subject's life, in which a rigorous dedication to her art was often undermined by a chaotic series of obsessive loves — McCullers gave as good as she got — and calamitous health problems.
Beyoncé's abiding interest in money has made for some of her best moments; not in a reductive materialist sense, but because she has a deep understanding of how money informs social and romantic relations.
So she has a deep understanding of the global enterprise, which should serve her well in charting the lab's future, says Kim, who served as deputy director of the U.S. Fermi National Accelerator Laboratory in Batavia, Illinois, from 2006 to 2013.
She has a deep understanding of L.A. Unified, right down to the classrooms.
The rest of her bio read more or less the same way, it was rife with phrases and lingo (she has a deep understanding of "vibrational frequencies") that showed just the type of deep base level of understanding they expected of their attendees.
With a Master of Arts in environmental studies from Brown University, she has a deep understanding of marine conservation science and policy particularly regarding coral reefs and believes in finding creative ways to bring ocean issues above the surface to inspire conservation.
"There's no big secret about our cast blowing up many, many times," Oh said, "and to me, Shonda can do no wrong now, because she has a deeper understanding of what it is to be a true commander in chief".
Condo liked and admired Barbara Gladstone, whose gallery had represented him since his 1984 shows with her and Pat Hearn; he felt that she had a deep understanding of his work.
But, as it happens, I am pretty sure it is one that my darling and brilliant late wife would advance, partly because as a historian she had a deep understanding of the role of scribblers in the creation and advance of our democracy, and partly because – despite everything – she never dumped the bleedin' Daily Mail.
She is highly respected within the local health economy and has a deep understanding of the opportunities and challenges in Berkshire, and the needs of our patients".
"He has a deep understanding of drama".
