Bioresonance biofeedback assesses information input into the system and converts it to a frequency.
Some types of information that could be assessed:
Your full name - the letters and the name and combination of first name and surname all hold energy
Your birthdate - your birthdate has a very specific frequency and energy
Your voice - your voice conveys information in the tones and intonation about your current health, emotional state and much much more.
Your picture - your picture also contains much energetic information.