Śrī Caitanya Caritamrta · Text Madhya 20.374
‘বিভূতি’ কহিয়ে যৈছে গীতা-একাদশে ।
জগৎ ব্যাপিল কৃষ্ণশক্ত্যাভাসাবেশে ॥ ৩৭৪ ॥
‘vibhūti’ kahiye yaiche gītā-ekādaśe
jagat vyāpila kṛṣṇa-śakty-ābhāsāveśe
“As explained in the eleventh chapter of the Bhagavad-gītā, Kṛṣṇa has spread Himself all over the universe in many personalities through specific powers, known as vibhūti.
Read Śrīla Prabhupāda's purport on Vedabase.io