ideas — any conception existing in the mind as a result of mental understanding, awareness, or activity.
ideologies — the body of doctrine, myth, belief, etc., that guides an individual, social movement, institution, class, or large group.
theories — a coherent group of tested general propositions, commonly regarded as correct, that can be used as principles of explanation and prediction for a class of phenomena: Einstein's theory of relativity. Synonyms: principle, law, doctrine.
thoughts — the product of mental activity; that which one thinks: a body of thought.
viewpoints — a place affording a view of something; position of observation: to sketch a river from the viewpoint of a bluff.
