See also. 1  Einstein protocol. 2  Light-second. 3  1 petameter (examples of distances on the order of one light-year) 4  Orders of magnitude (length) 5  Hubble length.
The bar is used also as a staging point for mixing drinks, interacting with customers, and storing various equipment such as cups, garnishes, and so forth. When people do distinguish between a bar and a tavern, they usually think of a bar as an establishment where only alcohol is available, while a tavern offers food as well as alcohol.
A drinking establishment is a business whose primary function is the serving of alcoholic beverages for consumption on the premises. Some establishments may also serve food, or have entertainment, but their main purpose is to serve alcoholic beverages. There are different types of drinking establishment ranging from seedy bars or nightclubs, sometimes termed dive bars, to 5,000 seat beer halls and elegant places of entertainment for the elite. A public house, informally known as a pub, is an establishment licensed to serve alcoholic drinks for consumption on the premises in countries and regions of British influence.