Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Alcohol by volume ( abbreviated as ABV , abv , or alc / vol ) is a standard measure of how much alcohol ( ethanol ) is contained in a given volume of an alcoholic beverage ( expressed as a volume percent ) .

Alcohol by volume ( often shortened to ABV ) tells how much ethanol there is in an alcoholic drink .