The kanji 覆 primarily conveys the idea of "to cover," "to overturn," or "to hide." It suggests a sense of concealing something, either physically or metaphorically. This can range from literally covering an object to figuratively covering up a secret or an action. The character implies a deliberate action of placing something over something else or turning something over.

・On-yomi (音読み): フク (fuku) ・Kun-yomi (訓読み): おお（う） (ō(u))

⚫︎ 覆面調査 Translation: Undercover investigation ⚫︎ 覆す Translation: To overturn; to reverse ⚫︎ 転覆 Translation: Overthrow; capsize

The kanji 覆 is a 形声文字 (keisei moji), a phono-semantic compound character. The character is composed of the radical 覀(west, or cover) and 复 (fuku). The 复 part contributes to the sound and has the meaning of "repeat". The combination of the radical 覀 and 复 creates the meaning of covering or repeating the action of covering, thus forming the meaning of the character as "to cover" or "to overturn."