Water is one of the four primary elementals of classical philosophy and alchemy. The elemental Water is dominant in and thus strongly associated with:

- Liquids, including fresh and salt water, as well as beverages such as beers, wines, and teas

- Bodies of water such as the oceans and lakes, rivers and streams, and wells and aqueducts

- Things that are wet

- Things that are blue-green, blue, and violet

- Aquatic mystical creatures (e.g., mermaids ...