The 氵 radical, known as (three drops of water) in Chinese, is one of the most common and significant radicals in the Chinese writing system. It is the simplified form of the character , which means “water.” When is used as a radical on the left side of a character, it is written as “氵” (three strokes that resemble drops or a flowing stream).
As its name implies, the vast majority of characters containing this radical are related to water, liquids, or actions and states associated with water.

0:00 intro
4:40 nature & geography with water
19:29 characteristic of water
25:04 action involving water
33:28 food & drink made of water
36:36 abstract extension
45:46 similar radical
48:32 practice & end