"Thank you" is a good word, but sometimes you want to say more. Here are lines for three situations: a general thank-you, one for a close friend, and one for a colleague or mentor. Use a line as-is, or combine a few into your own.
Want to say it as more than plain text? Build a card with a bouquet — the recipient opens it like a real card, with an unfolding envelope and a blooming bouquet.
Build a Thank-You Card