The phrase "a more important theme" is correct and usable in written English.
It can be used when discussing or comparing themes in literature, art, or any other context where themes are relevant, indicating that one theme holds greater significance than another.
Example: "In this novel, the author explores various themes, but a more important theme is the struggle for identity."
Alternatives: "a greater theme" or "a key theme".
Fear of poverty, for example, turns out to be a more important theme than we had thought in James's life.
As we know, a more important theme that interested mathematicians as well as biologists is whether all species in a multi-species community would survive in the long run, that is, whether the ecosystems are permanent (see, for example, [1, 5, 7 13, 15, 18 25]).
I cannot imagine a more important theme for a meeting in Africa, taking place at a more momentous time.
As Ta-Nehisi Coates points out, Ayers and ACORN don't lead voters to a larger, more important theme.This isn't "Swiftboating" which took you to the War on Terror.
James Knightley, an economist at ING Financial Markets, said: "[Market] reaction is likely to be limited as Brexit is the far more important theme for central bank policy in the near term.
It was a lifelong source of frustration to her that the feverish excitement, both positive and negative (she was called a "man-hater" and "ball-breaker") provoked by its depiction of female emancipation, in particular sexual liberation, eclipsed the – to her – more important theme of madness and breakdown and the novel's experimental, fragmentary structure.
The Christmas songs of the 1940's and 50's, like the classic Christmas movies of the same period, were, as Rosen explains, largely the work of Jews, and his book has no more important theme than this role of Jews in helping to create the modern American Christmas.
Anderson acknowledged that Heraclitus' emphasis on the element Fire might be read as a typically Ionian response to the question "what is the world made of", but the more important theme is his treatment of fire purely as process, as transaction and exchange, as the paradigm element of strife and harmony.
The speech highlighted Obama's willingness to act on his own, but the more important theme was to call for action in vital areas where Republicans are standing in the way of the American majority: Raise the minimum wage; extend jobless benefits; pass equal pay for women, paid family leave, immigration reform, universal pre-K.
In our report for this paper we describe each 'theme' (for example, 'interest in people' as a reason for studying medicine), state how many interviewees expressed it (e.g. 28/36) and, for more important themes, provide an illustrative quotation.
