Good qualities. For example: "lookin' at the goodies, keep on lookin' cause they stay in the jar" -- Ciara. Her "goodies/cookies staying in the jar" refers to guys going after her goods (her body and her sex). Like little kids after cookies in a jar. Staying in the jar refers to a guy not being able to have any kind of touch, look or even glance at any of her goods "Tits, Vagina, Ass, flesh etc." You Know-"Goodies" - DJ Emir: Hip-Hop Mixtapes .
Ciara interview on Chocolate Magazine