subject matter vs theme

Other hyponyms of subject matter include body, corker, reminder, petition, postulation, request, memorial, latent content, subject, topic, aside, digression, divagation, excursus, parenthesis, import, meaning, significance, signification, bunk, hokum, meaninglessness, nonsense, nonsensicality, drivel, garbage, acknowledgement, acknowledgment, refusal, info, information, counsel, counseling, counselling, direction, guidance, commitment, dedication, approval, commendation, disapproval, respects, discourtesy, disrespect, insertion, interpolation, statement, statement, humor, humour, wit, witticism, wittiness, opinion, view, direction, instruction, proposal, offer, offering, entry, submission, narration, narrative, story, tale, packaging, promo, promotion, promotional material, publicity, sensationalism, shocker.