In concrete terms disobedience means throwing oneself into a barbarian (foreign) country, or handing over the castle or territory to enemy, and in modern terms falls under seeking asylum, surrendering under enemy fire or conspiring with enemy.
叛は具体的には蕃国（外国）に投じること、城や領土を敵に渡すことをいい、現代的に言えば亡命、敵前投降、外敵通謀にあたる。