The phrase "a composite portrait of" is correct and usable in written English.
It can be used when describing a representation or depiction that combines various elements or aspects of a subject, often to provide a more complete understanding.
Example: "The documentary offers a composite portrait of the artist's life, showcasing both their struggles and triumphs."
Alternatives: "a multifaceted depiction of" or "a blended representation of".
From these interviews, he assembled a composite portrait of Gandhi's life, career, and influence.
He never for a moment feels like a generic teenager or a composite portrait of someone with Asperger's syndrome (the form of autism that he presumably suffers from).
De Bernières has done without a main protagonist to build up a composite portrait of a place by means of a tangle of tales and characters.
Programme makers, such as his friend Noel Pearson, attempting to portray "Friel the public man", were hard pressed to assemble a composite portrait of such a figure.
Similarly toying with tone is the cover art for The Worry, a composite portrait of the three band members as one person.
The jurors charged to determine the guilt or innocence of a young man accused of murder form a composite portrait of post-Soviet Russia.
Nobody interviewed in "Paul Goodman Changed My Life" suggests that he was an easy person to understand or to get along with, but a composite portrait emerges of a man who never stopped thinking and who was incapable of anything but honesty in thought and deed.
This "exemplary" novel provides "a rich composite portrait of a group of people ruled by (and often misled by) their passions -- both for the mountains and for one another," Gary Krist wrote in these pages in 2003.
Together, the minimalistic images exposes the particular vision of both artists in a touching, composite portrait of a globally recognized visionary. .
Instead, as suspicions multiply, we are led on a tour of several households, which taken together offer a sociological composite portrait of guilt and repression.
Then, years later, she made a composite portrait called "Guys Who Look Like Jesus" and compared that picture with a composite of Jesus paintings.
