#1 Way to Improve in Master Duel! Toggle Guide: Most Important Tool! [Yu-Gi-Oh! Master Duel]
Resolution is when you carry out the effects of a card. When you chain multiple Spell/Trap Cards together, their activation (intent to use the card) is declared, one after the other. These cards can only resolve once both players stop Chaining (activating) more Spell/Trap Cards.