Arjuna is praising that Divine-God has infinite velocity and energy. The vegourious protection or shelter of Divine-God is unlimited therefore he has called Amit-Vikram. Theses ways his power and heroism or courage are infinite.

O Infinite! You couragious hero have included everything, therefore You are everything. O Everything! You shall be greeted from front. People in back shall greet You. You shall be greeted from all ten directions. (Bhagwat-Gita: 11/40)

Arjuna is praising that Divine-God has infinite velocity and energy. The vegourious protection or shelter of Divine-God is unlimited therefore he has called Amit-Vikram. Theses ways his power and heroism or courage are infinite.

Divine-God has caused manifestation of entire worlds. Also entire worlds are under the custody of Divine-God. There is no part of worlds which is not under Divine-God.

Arjuna is watching amazing that infinite complete creations are existing inside a part of Divine-God.

Arjuna in puzzle was not able to know what to speak therefore constantly he is respectfully greetings Divine-God for quit some time. Surprised by the grand forms of Divine-God, Arjuna is appealing that Divine-God shall be greeted from front and as well as people those who are in the back they shall also greet Divine-God. Divine-God shall be greeted from all the ten directions. In sum-up from all part of the worlds people shall greet Divine-God and respectfully follow His teaching.