Since "BT Texture Pack" is a broad term used by several texture creators (most notably for Minecraft Bedrock/Java and UI packs), the "Quick Actions" usually refer to UI/HUD improvements that allow players to perform tasks faster without entering main menus.
: Upon clearing a room of skeletons, Alex opened a loot chest. Instead of dragging individual items, a new "Quick Loot" toggle appeared. With a single click, every enchanted book and gold ingot surged into their inventory instantly. quick actions from bt texture pack
Tapping a recipe can automatically fill the grid and craft the maximum amount possible. Since "BT Texture Pack" is a broad term