Quick answer: “Rác (Trash/Junk)” means Single cards that do not form any pair or sequence. In Tiến Lên, getting rid of 'rác' is a key early-game strategy.
Strategy
Rác (Trash/Junk)
Single cards that do not form any pair or sequence. In Tiến Lên, getting rid of 'rác' is a key early-game strategy.