The Emperor is significant not only for his constitutional functions, but also for the existence as the one that holds 'inori' (prayer) in Shihohai, which is a court ritual held to pray for the welfare of the country, etc.
国事行為だけでなく宮中祭祀である国の安泰を祈願する四方拝等「祈り」を行う存在としての天皇も意義深い。