The length of time during which something runs its course, characterized by some prevalent or distinguishing condition, circumstance, or occurrence, or by the rule of a particular government or dynasty; a distinct historical or cultural portion or division of time. (en)
Te gebruiken voor een specifiek historisch of cultureel tijdvak. (nl)
用來指稱某一特定歷史或文化上的時間段落或分別。 (zh-hant)
Úsese para dar a entender una porción o división temporal histórica o cultural distinta. (es)