Sunda Strait between Sumatra and Java in Indonesia, Indonesia, connecting the Java Sea to the Indian Ocean

Sunda Islands, an archipelago in Southeast Asia comprising the Greater Sunda Islands and Lesser Sunda Islands; part of the [[马来群岛|馬來群島|ma3 lai2 qun2 dao3]]

Sunda language, spoken in West Java province in Indonesia

(literary) polite and respectful language; humble and mild words

(variant form) modest and unassuming

Zhao Erxun (1844-1927), a late-Qing and early-Republic politician and historian who compiled the [[清史稿|清史稿|qing1 shi3 gao3]]