1.PrepositionFor all of a given time interval; throughout; in; pending.
"I lived with my parents during the 1970s.; This shop, which was among the few able to stay open during the war, is closed during the whole of August."
2.PrepositionAt any time or period within a given time interval.
"I lived with my parents at several points during the 1980s.; Many of the best examples were produced during the Restoration."