understated?

What does understated exactly mean? I looked it up but I really do not know what it means in this case. Oh, vel!

Men See You As Understated You are an intriguing mix of girl and woman. You're feminine, quiet, and a total mystery to most men. Yet they often feel the urge to protect you, even if they don't know you. You *are* a flirt, but you usually only flirt with those you know well.

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