"its exposition of" is correct and usable in written English.
You can use it when referring to an explanation of something, usually in the form of an essay or presentation. For example, "The professor was pleased with its exposition of the subject."
A long fragment of the comedy Poiesis is important for its exposition of the differences between comedy and tragedy.
In Indian philosophy the term designates the distinctive way in which each philosophical system looks at things, including its exposition of sacred scriptures and authoritative knowledge.
Harrod's biography is smoothly but unctuously writ- ten, and its exposition of the economics, though obviously expert, is much more circumscribed than Skidelsky's.
But Lions for Lambs is far worse: dull, inert, schoolteacherly, desperately self-conscious in its exposition of the issues - and with hogwhimperingly bad performances.
The Hitchhiker's Guide to the Galaxy is unparalleled in its exposition of Douglas Adams's view of the world – unsurprising, really, because he wrote it.
Not only is its story of the discovery of Appalachian mountain music and the music's connection to an older Scotch-Irish tradition worth telling, but its exposition of that musical history is also crystal clear.
Sören Nylin and colleagues observe in a 2001 paper that As a natural history narrative on what has become an intensely researched experimental subject, Adaptive Coloration could be thought obsolete, but instead, Peter Forbes observes "But Cott's book is still valuable today for its enormous range, for its passionate exposition of the theories of mimicry and camouflage".
Picasso's ceramics can be seen in the Alberto Magnelli collection, part of the same museum, which will be holding its Biennale exposition of ceramics June 29 to Sept. 30.
ST. PETERSBURG — The political speech delivered to-day [April 26] in the Duma by M. Sazonoff is attracting attention on account of its clear exposition of Russian foreign policy.
Among other things, the Florida Supreme Court provided an extraordinary remedy that has no statutory basis, and its novel exposition of the contest provision essentially reads out other more specific provisions in Florida's election code.
Andromaque is more skillfully crafted than Racine's previous efforts: its exposition is a model of clarity and concision; the interplay of love, hate, and indifference is subtly yet compellingly arranged; the rhetoric is forceful but close to normal speech; and the innovative use of the offstage to direct the audience's attention beyond the visual to the imaginary is remarkable.
