When offering advice to customers on the range of liquor products available, you need to be aware of the five basic types of alcoholic drinks and their alcoholic contents.
Beer
Alcoholic content between about 2% and 6% alcohol by volume.
Table wine
Approximately 10%-12% alcohol by volume.
Fortified wine
About 20% alcohol by volume.
Spirits
Average strength of 40% alcohol by volume.
Liqueurs
Alcoholic content varies greatly from 17% to 58% alcohol by volume.