Cheese dip and queso are very similar with the main difference being the seasonings that are added for flavor. Cheese dip is a broader term that simply refers to any dip made from melted cheese. Queso commonly refers to a specific type of cheese dip that involves ingredients such as tomatoes and Mexican style spices. Queso Blanco refers to a white cheese dip while Queso Fundido is melted cheese with additional ingredients.