Sanskrit
अथ व्यवस्थितान्दृष्ट्वा धार्तराष्ट्रान्कपिध्वजः । प्रवृत्ते शस्त्रसम्पाते धनुरुद्यम्य पाण्डवः ॥
atha vyavasthitān dṛṣṭvā dhārtarāṣṭrān kapidhvajaḥ pravṛtte śastrasampāte dhanur udyamya pāṇḍavaḥ
Translation
Then, beholding the sons of Dhritarâshtra standing arrayed, and flight of missiles about to begin, he whose crest is an ape, the son of Pându, took up his bow,
Annie Besant · The Bhagavad-Gita, translated by Annie Besant (4th ed., 1922) — Wikisource · Public Domain
Explanation
The narrative narrows from the collective sound of verses 12–19 to a single figure: Arjuna, marked by his Hanuman-crested banner, raising his bow as fighting is about to start. This is the hinge of the whole chapter — the moment the scene shifts from spectacle to Arjuna’s own individual action, which the very next verse turns into speech.