Traditional:

diǎn ㄉㄧㄢˇ

  1. to touch briefly to tap
  2. to mark with a dot to check off (on a list)
  3. to order (food etc) to select
  4. to mention to bring up (a topic or person)
  5. to hint at to imply
  6. to administer (eye medicine etc) in drops
  7. to light (a fire, a lamp etc) to ignite
  8. to nod (one's head) in agreement to beckon by moving (one's hand) up and down
  9. point dot spot speck
  10. dot stroke in Chinese characters
  11. decimal point

    math.

  12. point in time or space
  13. o'clock

    after a number

  14. a small amount a bit (after a verb or adjective) a bit more
  15. classifier for small amounts

Where 点 is used

Sources