For example on a jade ju-i, the imagery of a bat with a nine-cloud motif stands for a set phrase meaning "Birthday Felicitations," by merit of puns on the words for "nine / long-lasting" (jiu) and "bat / good fortune" (fu).
一支碧玉如意上，展翅蝙蝠與九個祥雲一般的如意紋互相連結，取其「九如福壽」之意。