On Bhagavad Gita: What is the supersensuous sight granted to Arjuna by Krishna?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

इहैकस्थं जगत्कृत्स्नं पश्याद्य सचराचरम् ।

मम देहे गुडाकेश यच्चान्यद्द्रष्टुमिच्छसि ।। 7 ।।

ihaika-sthaṁ jagat kṛitsnaṁ