Radicals are the building blocks of chinese characters. These radicals are used to classify and organize Chinese characters in dictionaries and reference materials. Each Chinese character typically consists of one or more radicals, and these radicals often provide clues about the character's meaning or pronunciation.
口 ➜ kǒu ➜ mouth
人 / 亻➜ rén ➜ person
火 ➜ huǒ ➜ fire
木 ➜ mù ➜ tree/wood
山 ➜ ➜ mountain
日 ➜ rì ➜ sun
月 ➜ yuè ➜ moon
門 / 门 ➜ mén ➜ door
女 ➜ nǚ ➜ female/woman
宀 ➜ mián ➜ roof
王 ➜ wáng ➜ king
水 / 氵 ➜ shuǐ ➜ water