The kanji character 齢 れい primarily represents "age" or "years of age." It refers to the duration a person or thing has existed. It can also imply the state of being old or elderly.

・On-yomi (音読み): レイ (rei) ・Kun-yomi (訓読み): よわい (yowai) - this reading is less common and means "age."

⚫︎年齢 Translation: Age ⚫︎高齢者 Translation: Elderly person; senior citizen ⚫︎長寿の秘訣は、食生活と運動です。 Translation: The secret to longevity is diet and exercise.

The kanji 齢 れい is a *形声文字* (keisei moji), which means it's a character that combines a semantic component (meaning component) and a phonetic component (sound component). The left side is *歯* (ha), which means "tooth," indicating the passage of time marked by aging. The right side is *令* (rei), which is a phonetic component, giving the sound "rei." The overall meaning is related to the passage of time and aging, reflecting the years of someone's life, or "age."