The phrase "recurrent theme" refers to an idea or topic that appears repeatedly or consistently in a piece of literature, art, or any form of expression. Full definition
Among recurrent themes in her work are the relationship between freedom and power, economy and the public space, social change, and limits of action. (walkerart.org)
Images of war and terror, personal experiences and their effect on the individual all remain recurrent themes. (dreamideamachine.com)
For me, I see recurrent themes around family, health, relationships, work and financial freedom. (entrepreneur.com)