subject matter vs opinion

Other hyponyms of subject matter include body, corker, reminder, petition, postulation, request, memorial, latent content, subject, theme, 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, view, direction, instruction, proposal, offer, offering, entry, submission, narration, narrative, story, tale, packaging, promo, promotion, promotional material, publicity, sensationalism, shocker.