Significance of Nondifferent
Nondifferent in Vaishnavism signifies the philosophical perspective that various forms of divinity, including Shri Krishna, Shri Vaikuntha-natha, and other deities, are fundamentally unified despite their distinct manifestations. This concept encompasses the understanding that ultimate reality, living entities, and divine names share an essential oneness. It asserts that the distinctions between the Supreme Brahman and individual souls, as well as the identities of different divine personalities, are superficial, emphasizing their intrinsic unity in essence.
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Hindu concept of 'Nondifferent'
Nondifferent in Hinduism signifies the essential oneness of divine forms, philosophies, and entities, asserting that total unity exists among them despite apparent distinctions, highlighting the inseparability of names, forms, and the ultimate reality.
From: Brihad Bhagavatamrita (commentary)
(1) Indicates the philosophical understanding that ultimate reality and manifestations of divinity are fundamentally the same.[1] (2) indicating that, despite various forms or appearances, all entities referred to are fundamentally the same.[2] (3) The understanding that sankirtana and dhyana are essentially the same.[3] (4) The concept that all forms of the divine, including incarnations of Shri Krishna and Maha-Lakshmi, are fundamentally the same.[4] (5) Describes the concept of oneness or unity between Shri Maheshvara and Shri Madana-gopala, indicating that they are essentially the same in essence.[5]
From: Chaitanya Bhagavata
(1) The principle that the names of the Lord and the Lord Himself are essentially the same.[6] (2) The philosophical principle stating that while distinct, certain divine personalities are ultimately unified in essence.[7] (3) The concept that the holy names and the Supreme Lord are one and the same, indicating an inseparable connection between them.[8] (4) A state that suggests there is no substantial distinction between the Supreme Brahman and the living entities, despite their subordinate relationship.[9] (5) The philosophical idea that although the forms of Shri Krishna Caitanya and Shri Nityananda are distinct, they are ultimately the same in essence.[10]
From: Sahitya-kaumudi by Baladeva Vidyabhushana
(1) The concept where certain phonemes are considered equivalent for the purpose of alliteration, referring to their close phonetic similarity.[11]