Trap cards can be only be used after you end your phase you can use trap cards when its your opponent turn and after its your turn again you can still use trap card again since you set it beforehand.
Normal trap-just one use
Continous trap-Like Continous Spell cards stay forever on the field.
Counter Trap-it counter like anything almost like normal summon,spells traps,special summoning if the card says so otherwise.
Yu-Gi-Oh! Master Duel Statistics For Tsubasa Yozora Ch.
At present, Tsubasa Yozora Ch. has 96,479 views spread across 272 videos for Yu-Gi-Oh! Master Duel, and roughly 18 days worth of Yu-Gi-Oh! Master Duel videos were uploaded to his channel. This makes up 18.78% of the content that Tsubasa Yozora Ch. has uploaded to YouTube.