The word drink is primarily a verb, meaning to ingest liquids, see Drinking. As a noun, it refers to the liquid thus ingested. It is often used in a narrower sense to refer to alcoholic beverages (as both a verb and a noun). It can also be used metaphorically, as in to drink in the scenery.
A beverage is a drink specifically prepared for human consumption. Almost always it largely consists of water. These include:
Carbonated drinks (generally called sodas in the Eastern U.S., pop in the Midwestern U.S., and cokes in the Southern U.S.), including just carbonated water
Pearl milk tea, aka Boba Milk Tea, is a tea drink popular in China and among overseas Chinese.
Some substances may either be called food or drink, and accordingly be eaten with a spoon or drunk, depending on solid ingredients in it and on how thick it is, and on preference:
The chemical phenomenon whereby carbonateddrinks taste fizzy is due to carbonic acid inducing a slight burning sensation, and is only indirectly related to the bubbles- both phenomena are caused by the carbonic acid concentration.
In the West of Scotland, softdrinks are commonly known as "ginger", presumably referring to an early "softdrink", ginger beer.
In North Carolina, the terms "drink" and "softdrink" are commonly used along with "soda" and "coke" to refer to non-alcoholic cold drinks.