What type of merchandise does Don Quijote, the discount chain store, sell as opposed to a single line discount store?
Don Quijote (store):  It carries a wide range of products, from basic groceries to electronics to clothing. Discount store:  A "full-line discount store" or "mass merchandiser" may offer a wide assortment of goods with a focus on price rather than service, display, or wide choice - such as Aldi and Lidl; a "speciality", "single line", or "category killer" discount store may specialize in specific merchandise such as jewelry, electronic equipment, or electrical appliances, relying on bulk purchase and efficient distribution to keep down cost - such as Toys "R" Us and Staples.
basic groceries to electronics to clothing