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point something up
1. Fig. to emphasize something; to emphasize one aspect of something. This is a very important thing to learn. Let me point it up one more time by drawing this diagram on the board. This points up what I've been telling you.
2. Fig. to tuck-point something; to repair the joints in masonry. I hired someone to point the chimney up. Carl pointed up the brick wall.
Emphasize, draw attention to, as in Her comments point up the need for more security at the store. [First half of 1900s]