亿: "亿万" refers to a number, specifically one hundred million (a "wan" being ten thousand, and "yi" being ten thousand times that), though in ancient times it denoted one hundred thousand. It generally signifies an immense quantity, symbolizing wealth and prosperity, and carries the implication of hoping to attain a life of glory, riches, and honor.

萱: The daylily, a plant both edible and ornamental, symbolizes health and beauty.