The top of the banner which shines at a distance belongs to Arjuna; this is the rattle of his chariot and this is the monkey which is roaring.
द्रोण उवाच एतद् ध्वजाग्रं पार्थस्य दूरतः सम्प्रकाशते। एष घोषः स रथजो रोरवीति च वानरः॥