is a specific kind of: epoch, era.

is a broader term that covers: antiquity | golden age | Jazz Age | reign | turn of the century.

instances of which are: Age of Reason, Enlightenment | Elizabethan age | Victorian age | Baroque, Baroque era, Baroque period | Dark Ages, Middle Ages | Renaissance, Renascence | Italian Renaissance | Industrial Revolution, technological revolution | Reign of Terror | Harlem Renaissance | New Deal | Reconstruction, Reconstruction Period | Restoration | Depression, Great Depression ... show more.

is a part of: history.