Wound
Damage, Flaw
noun
The kanji and the word are exactly the same. That means they share meanings as well.
"How did you end up with that wound?" "I went to the key zoo (きず) and all the keys had escape their enclosure and were running wild. They can really inflict a lot of damage if you're not careful".
ウクレレに傷がついちゃったんです。
I got a scratch on my ukulele.
オレの名前によくも傷をつけてくれたな？！絶対に許さねえぞ！
How dare you damage my reputation? I'll never forgive you!
京都駅の階段で転んでできた傷は十年経った今もまだ治っていません。
The scars from a fall on the stairs at Kyoto Station have still not healed after ten years.