Arby's is a popular fast-food chain known for its focus on roast beef sandwiches and a variety of other fast-food options. Here’s a detailed description: Roast Beef Specialization: Arby's is renowned for its signature roast beef sandwiches, featuring thinly sliced, slow-roasted beef piled high on a soft bun. The menu includes various roast beef options such as the Classic Roast Beef Sandwich, Beef 'n Cheddar, and the Arby’s Melt.