The following primers are available on biometric basics.

How is Biometrics Defined?

What are the Leading Biometric Technologies?

Which is the Best Biometric Technology?

What are the Benefits of Biometric Technology?

What Are Biometrics'  Basic Components and Processes?

How Do Biometric Systems Determine "Matches"?

Are Biometric Systems Difficult to Use?

How Do Identification and Verification Differ?

Are Biometric Templates Secret?

How Large are Biometric Templates?

What Factors Cause Biometric Systems to Fail?

What are the Benefits of Using Multiple Biometrics?

Is DNA a Biometric?