Quick meaning
Apple's facial recognition technology used to unlock iPhones and authorise payments.
Think of it like this
Like a lock that only opens when it confirms your face is the authorised one.
Where you may see this
You may see this in login screens, warning messages, banking apps, or scam-prevention advice.
Why it matters
Understanding this word helps you protect your money, personal information, and online accounts.
Say it simply
Face ID means: Apple's facial recognition technology used to unlock iPhones and authorise payments.