Line 1: But love, fair looks and true obedience. In this line she is saying that these are the qualities that should be found in a wife.
Line 2: They are bound to serve love and obey. Here she is saying what women's job is for her husband.
Line 3: to wound thy lord, thy king, thy governor. This line says what she thinks men are to women, superior.
She doesn't mention how women should act in the mental sense. This is important because it shows that she may be acting although she is the perfect wife on the outside, she thinks differently. It also shows that women aren't viewed as smart.