PCI compliance, short for Payment Card Industry compliance, refers to adhering to a set of security standards designed to protect payment card data during transactions. It encompasses the practices, protocols, and safeguards implemented by organizations to ensure the security, confidentiality, and integrity of cardholder information. Achieving PCI compliance signifies an organization's commitment to safeguarding sensitive data, reducing the risk of data breaches, and fostering trust among customers and partners. 

Also see:

• Chat Payments for Call Centers: Ensuring PCI DSS 4 Compliance.

• Is PCI compliance required by law?

• How can I become PCI compliant?