indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; regardless of; whether (or not)
if; when; and; with; used for quoting (thoughts, speech, etc.); promoted pawn; indicates a question
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
at (place, time); in; to (direction, state); toward; for (purpose); because of (reason); for
indicates sentence topic; indicates contrast with another option (stated or unstated); adds emphasis
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question