What is a FIS card?

Can you please elaborate on what exactly a FIS card is? Is it a specific type of financial instrument or payment method? How does it differ from other forms of cards like debit or credit cards? What are its unique features and benefits that make it stand out in the market? Are there any specific industries or sectors where the FIS card is more commonly used? Additionally, how does one acquire a FIS card, and what are the requirements for eligibility?