A drink (or beverage) is a liquid intended for consumption. We find drinks cold ou hot, sparkling, alcoholic or non-alcoholic.
The term is also used in the more restricted sense of alcoholic drink, as in the expressions "taken by drink" or "under the effect of the drink".
The most Nature (and therefore not-alcoholic) is thewater, the only one that the with animals (with the breastmilk at the mammals) and the only one that rehydrate effectively. L'water is also the essential component of most other drinks.
The first drink that humans drink (as well as all mammals) is the breastmilk (sometimes replaced by cow milk), during breastfeeding and until weaning (gradual cessation of breastfeeding).

Soft drink