"theme focuses on" is a correct and usable phrase in written English.
You can use it when you want to point out and emphasize the theme or main point of a piece of writing or conversation. For example: "This essay's theme focuses on the effects of climate change on wildlife."
The new theme focuses on real world heroes, showing the American Giant line in action on everyday people.
This year, for the 50th anniversary of the death of the writer Bertolt Brecht, the festival theme focuses on the collaboration between the two.
A theory given weight considering that tickets are $10,000 £6,000) higher than last year's price, and that the theme focuses on a couturier who could never be described as egalitarian.
This year's theme focuses on temporality in art (the slowness of painting, the speed of digital art) and features work from a liberal range of artists, including Andy Warhol, Josephine Meckseper ("Untitled," left), Gordon Manda-Clark and the French resident R. Crumb.
A variation on this theme focuses on rewards or punishments that are self-administered.
This issue, another in our series of special issues dedicated to a subject or theme, focuses on teaching evolution.
The third festival, in August, had an astronomical theme, focusing on the annual Perseid meteor shower.
The festival will have a Latino theme, focusing on Hispanic troupes in New York, Miami and South America, with special attention to social-protest works in countries recently ruled by dictators.
Questions in the surveys were divided into two main topics: A first theme focused on the conception, implementation, and outcomes of the "Regional Climate Prediction and Risk Reduction in the Greater Horn of Africa" program.
The second theme focused on interaction.
Ten studies with a central theme focused on the treatment of sepsis were used.
