'Dan' meanings:

- Any of the levels of proficiency at the grade of black belt in martial arts such as judo and karate.

- One who has achieved such a level.

- An expert or expert level in shogi and certain other games.

- A title of honor equivalent to master, or sir.

- A small truck or sledge used in coal mines.

- A rank of black belt in martial arts.

- Someone who has achieved a level of black belt.

- [Hebrew] "judge"; a son of Jacob, also his desc. and their territory, also a place in Northern Israel. Original Word: דָּן. Part of Speech: Proper Name Masculine.

- [Programming] DAN (Do Anything Now) prompt to ChatGPT.

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Dan (Dan Hibiki) from Street Fighter game. 

https://image.nostr.build/400fd74ec3190a58e83c662488cf8d36467453e327cf3ceeac50d3141bf89221.jpg 
Dan (Daniel-san) from Karate Kid movie.
 https://image.nostr.build/5ded7080fe57ce1b76d125c62f3a07f06978a969604b3fb3041d07feccfef376.jpg
"Dan" (Daniel) from Book of Daniel in the Bible.
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Dan, son of Jacob, from Bible.