Used for celebratory messages, especially written on envelopes for monetary gifts at weddings and other auspicious occasions.
For the wedding celebration, I prepared a gift envelope with the character 寿 written on it.
Refers to a long lifespan; often used in well-wishing contexts or as a symbol of long life.
As a phrase to celebrate longevity, 'long life' is often used.
I wrote '寿' (congratulations) on the gift envelope.
He lived a long life, reaching the age of ninety.