The phrase "dominant theme" refers to the main idea or subject that stands out the most in a particular situation, story, or discussion. It is the central concept that is emphasized and holds the most importance in the given context. Full definition
One dominant theme of the book is how one estimates likelihood in the absence of a large amount of data. (alephblog.com)
The well - structured text provides an endless selection of films with character strengths and virtues as dominant themes. (positivepsychologynews.com)
The real dominant theme here is of the social utility of religion: ask not what this government can do for you, but what you can do for your government! (politics.co.uk)