What is Alcohol?
Alcohol is derived from a starch heavy compound, grain, potatoes, etc. that is broke down into sugar and yeast ferments it into alcohol and carbon dioxide.
|Starchy Compound||→||Sugar||+||Yeast||=||Alcohol||+||Carbon Dioxide|
That is non distilled alcohol such as beer, wine, hard cider and sake.
Also can be distilled to remove impurities and water and raise the concentration or proof.
Then can be aged to mature the product to enhance flavor.
That is called distilled beverage, spirit or liquor.
That is the basic parameter of alcohol. There are huge varieties of alcohol. Many changes can be made in any step along the way.
You can change the starchy compound(s)
You can break it into sugars different ways
You can use different types of yeast
It can ferment for different periods of time
Then you can just serve it as is, or distill the product
It can be distilled multiple times in different ways
Then it can be aged
Flavoring can be added at any time
That is how there are so many types and brands of alcohol beverages out there.