What is the difference between rusk and toast?

Rusk is a type of dry, hard biscuit or twice-baked bread often enjoyed as a snack or used in desserts, while toast refers to bread that has been browned on the surface through exposure to heat, making it crispy and warm. Rusk is typically denser and crunchier, with a texture designed for dipping or soaking, whereas toast is softer on the inside and can be topped with various spreads. The preparation methods and intended uses of each differ significantly.