an object or substance that allows light to pass through completely, such as glass or air

an object that allows light to pass through but is not fully clear, such as frosted glass or wax paper

an object through which light cannot pass; an opaque body or substance

A style of poetry that emerged during the Yongming era (483–493) of the Southern Qi Dynasty, characterized by strict adherence to the four tones and phonological rules; it significantly influenced the development of regulated verse in the Tang Dynasty.

Ming or Song style narrow font; a common East Asian typeface similar to serif