(historical) the period of peace, leisureliness, and high economic growth in post-war Japan until the oil crises of the 1970s

the modern Shōwa period (Japanese era that began on 25 December 1926 and ended on 7 January 1989) / a placename, especially of a ward in Nagoya, Aichi Prefecture

prosperity (usually of a country or a state)

to prosper; to thrive; to flourish

symbol

symbolize

(historical) an era that began on 10 October 1688 (thirtieth day of the ninth month according to the Japanese calendar), and ended on 16 April 1704 (thirteenth day of the third month); considered to be the golden age of the Edo period

(colloquial) Short for 元禄袖 (Genroku sode): / (colloquial) Short for 元禄模様 (Genroku moyō):

peaceful / calm

peace, a peaceful situation / calm, calmness