Restaurants are establishments which prepare and serve food and drinks to customers, within the confines of a perfect environment, for money. Restaurants serve meals on their own premises. The quality of a restaurant depends upon the quality of food being served and the efficiency of its service. Some restaurants also offer take-out and delivery services. Restaurants vary greatly in appearance and offerings. Known restaurants usually hire the services of a chef. Restaurants range from humble lunching or dining places catering to people working nearby, with simple food served in simple settings at low prices, to expensive establishments serving refined food and wines in a formal setting. They at time service a specialty cuisine on multi cuisine in the same premises.