Meaning of ITSELF in English

ITSELF

■ pronoun [ third person singular ]

1》 [ reflexive ] used as the object of a verb or preposition to refer to a thing or animal previously mentioned as the subject of the clause.

2》 [ emphatic ] used to emphasize a particular thing or animal mentioned.

↘used to emphasize what a perfect example of a particular quality someone or something is.

Phrases

in ~ viewed in its essential qualities.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.