What is a web client and a web service?

The web client is a software package that has been developed taking into account the formats of electronic messages and data exchange and is integrated into the receiver's SEIR software for the purpose of forming and transmitting requests and receiving responses through secure exchange gateways.

The web service is a software package that is designed taking into account the formats of electronic messages and data exchange and is integrated into the provider's SEIR software for the purpose of receiving requests and forming and transmitting responses through secure exchange gateways.