e sign means what

Electronic or Digital Signatures are issued by certifying authority under the Information Technology Act. According to section 24 under Information Technology Act 2000 "Certifying Authority" means a person who has been granted a licence to issue Digital Signature Certificates.

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https://www.cca.gov.in/cca/?q=Faq.H T M L

An e-signature, is data that's logically associated with other data and which is used by the signatory to subscribe the associated data. This type of hand has the same legal standing as a handwritten hand as long as it adheres to the conditions of the specific regulation under which it was created

An e-signature( electronic hand) is a digital interpretation of a traditional pen and essay hand. In the United States, an e-signature provides the same legal commitment as a handwritten hand if it meets these four criteria Intent to subscribe- the signatory has intends to corroborate his or her identity.