What is ISSUER Bank?

What is ISSUER Bank?
Banks or companies that provide financial services to their customers by issuing credit cards are ISSUER bank.
ISSUER; means a company issuing shares. They are banks or companies that provide financial services to their customers by issuing credit cards. Identifying elements such as the logo, text, magnetic tape and number on the credit card show which bank, company or service provider the ownership of the card belongs to.