(1) Personal Significance: as in "His Teddy Bear means a lot to him."
(2) Evaluative import: as in "May Day means different things to different classes."
(3) Point or purpose: as in "Life has no meaning."
(4) Linguistic meaning: as in "'Vixen' means 'female fox'", "'Chien' means 'dog'", or "Recidivist" means someone who has resumed their criminal career.
(5) Aim or intention: as in "They mean to win this strike."
(6) Implication: as in "Winning this dispute means that management won't try another wage cut again in a hurry."
(7) Indicate, point to, or presage: as in "Those clouds mean rain", or "Those spots mean you have measles."
(8) Reference: as in "I meant him over there", or "'The current president of the USA' means somebody different at least once every eight years."
(9) Artistic or literary import: as in "The meaning of this novel is to examine political integrity."
(10) An indication of conversational focus: as in "I mean, why do we have to accept a measly 1% rise in the first place?"
(11) An expression of sincerity or determination: as in "I mean it, I really do want to go on the march!", or "The demonstrators really mean to stop this war."
(12) The content of a message, or the import of a sign: as in "It means the strike starts on Monday", or "It means you have to queue here."
(13) Interpretation: as in "You will need to read the author's novels if you want to give a new meaning to her latest play", or "That gesture means those pickets think you are a scab."
(14) Import or significance: as in "Part of the meaning of this play is to change our view of drama", or "The real meaning of the agreement is that the bosses have at last learnt their lesson."
(15) Speakers' meaning: as in "When you trod on her foot and she said 'Well done!' she in fact meant the exact opposite."
(16) Communicative meaning: as in "You get my meaning", or "My last letter should tell you what I meant", or "We have just broken their secret code; the last message meant this..."
(17) Explanation: as in "When the comrade said the strike isn't over what she meant was that we can still win!"
Of course, some of the above meanings of 'meaning' overlap.