Time Gone By is a phrase used to refer to a period of time in the PAST. YORE, PAST, AGO, and ERA are all words that can be used to describe this concept. YORE is an old-fashioned word used to refer to a distant PAST. PAST is a more general term used to refer to any time before the present. AGO is used to refer to a specific amount of time that has passed since a certain event. Finally, ERA is used to refer to a long period of time in history.