
Birthmark
Unique Identity
A birthmark is often considered unique to a person, like a fingerprint.
His birthmark was so distinctive that it was an instant identifier.
Common Misconception
Not all dark spots are birthmarks; some develop later in life.
She thought it was a birthmark, but the doctor said it appeared recently.
Neutral Term
Birthmark is a neutral term, it doesn't imply beauty or ugliness.
The birthmark on her arm was neither admired nor disliked.