Actually, it's a commonly used football term, which any real sports writer would immediately understand. Ray Lewis was referring to the formation of the offense. A "queen" TE is free-roaming in a 2TE set while the "king" TE is responsible for blocking. It's based on chess, in which the queen can move freely in any direction while the king is mostly stationary. Graham is used primarily as a pass-catcher and in the play formation would be designated as the queen tight end.