"a unified theme" is a correct and usable phrase in written English.
You can use it when you are talking about a single concept or idea that ties together the elements of a piece of writing, artwork, music, or other creative project. For example, you could say, "The song's lyrics, music, and visuals all work together to create a unified theme of love and longing."
"If there is a unified theme, it seems to be, you can trust the Mamaisms Gear brand and advice.
Under Mr. Smith's watch, Cadillac sales stalled while the division planned a unified theme for the cars and trucks of the future.
The Mormon Sacrament Meeting I attended had various speakers and they may have had a unified theme, but I couldn't tell what it was (perhaps because I came in late).
Both Raundi and Eric told me that when they set out to write a poem a day, they used a unified theme to keep the inspiration coming — not unlike being a beat reporter, I suppose.
Steve Jurvetson: This may be the first peek into a unified theme across companies...Elon Musk is an incredibly prolific entrepreneur, having come up with, or been at the founding team of Tesla, SpaceX, SolarCity, PayPal, all different industries that seem to have nothing to do with each other.
It is the first time that all of the CreativeMornings chapters around the world will host events under a unified theme, each hosting remarkable speakers from diverse fields -- arts, design, education -- that demonstrate their passion for this special mix of the Arts and Tech in a worldwide celebration of our local creative communities.
But in the central panel he bound the various themes into a unified composition through the use of a dominating rhythmic design.
They use a unified central theme: "Doing the Most Good".
There is the danger that slogans about debt-free college, a $15 minimum wage and expanding Obamacare leave voters with a jumble rather than a unified economic theme.
Clark Neily, a lawyer with the group, said that the case the court accepted today would "resolve all these cases under one unified theme".
Cavemen want one unified theme that extends from the ceiling fan to the saltshaker to the doorknob shaped like breasts or arcade joysticks.
