The phrase "a primary subject of" is correct and usable in written English.
It can be used when discussing the main topic or focus of a particular discussion, study, or piece of writing.
Example: "The impact of climate change is a primary subject of the conference this year."
Alternatives: "a main topic of" or "a central theme of".
"Women are not a primary subject of discussion," Mr. Halman said.
It is incumbent upon the international community to ensure that immediately ending the human rights abuses of his government is a primary subject of the talks, and that it remains as a precondition to any broader settlement.
After the turn of the century, the city itself became a primary subject of painting, though early American modernism might be viewed as an effort to transplant nature from country to town.
Proffer implicitly links Brodsky's Jewishness to this resistance to the "evil structure". It is a primary subject of their first encounter, which she describes thus: "Joseph is voluble and vulnerable.
Born in South Carolina in 1938 and a New York resident since childhood, he has made the city a primary subject of his classical brand of "street photography," from shots of life in Harlem in the 1950s to velvety black-and-white images of downtown, late at night and silent, under snow in the 1990s.
IVIg is one of the most commonly used interventions but is expensive and has potentially severe side effects, so its use should be a primary subject of these assessments.
The general rule of thumb for re-positioning the camera right-to-left (or left-to-right) is 1/30th the distance to your focal point (i.e. for a primary subject 10 feet away, 1/30th of 10 feet is 1/3 of a foot, or 4 inches).
The primary subject of a metaphor may be a particular thing, or it may be a whole kind of thing, and likewise for the secondary subject with the result that the metaphor itself may take the verbal form of an identity statement (X is Y) as with Romeo; a predication or membership statement (X is a G) as with Stephen Daedalus; or a statement of inclusion (Fs are Gs) as with Benjamin.
About two thirds of the papers described a study in which a SNOMED version was the primary subject of study while the remaining one third concerned studies in which SNOMED plays a secondary role.
Even when modern epistemology eschewed or at least modified Aristotle's notion of substance as a substrate for contingent properties, it appealed to substances in the sense that they define the primary subject of a judgment, that is, the judgment's topic and grammatical subject.
But Madoff's investment advisory business was never the primary subject of an SEC examination, according to people familiar with the case.
