True biometric data" generally refers to high-quality, accurate biometric data collected using advanced technology, ensuring a reliable and secure identification process, while "biometric data" simply means any data related to a person's unique physical or behavioral characteristics like fingerprints, facial features, or voice patterns, which can vary in quality depending on the collection method and technology used; essentially, "true biometric data" implies a higher standard of accuracy and reliability within the broader category of biometric data.