A sofa is a comfortable, upholstered piece of furniture designed for seating multiple people. It typically features a cushioned seat, backrest, and armrests, available in various styles, sizes, and materials like fabric, leather, or velvet. Sofas are a central element in living rooms, providing both comfort and aesthetic appeal. They come in different designs, from traditional to modern, offering versatile seating options while enhancing the room’s decor and functionality.