what's the difference between a roll and a busciut?

Answer 1

A roll is generally a yeast bread while a biscuit is a quick bread leavened with baking soda.

In terms of texture, rolls are softer and lighter like bread while biscuits are heavier and has a thicker curst.

Answer 2

Biscuits are often denser, harder, and can be flaky. Biscuits are generally savory (but can be sweet), and the texture should be tender and light. Rolls are usually light and airy, maybe yeast-risen, and probably have a higher gluten content. A roll (bread roll) is a piece of bread, usually small and round and is commonly considered a side dish.

Types of biscuits include: scones, cookies, crackers, hardtack.
Types of rolls include: muffin, dinner roll, teacake, barncake, cob, scottie, and bun.