This was also clear declaration by the Imagawa clan that he was no longer the shugo daimyo who ruled his territory backed by the authority of the Muromachi bakufu, but the Sengoku daimyo who ruled his own territory with his own capability.
これは、今川氏は既に室町幕府の権威によって領国を統治する守護大名ではなく、自らの実力によって領国を統治する戦国大名であることを明確に宣言したものでもあった。