I know that the electric flux is a scalar quantity, but the concept of the Electric flux seems to confused me. If the electric flux density is a vector quantity, how come the electric flux is a scalar quantity? For example, I have the electric flux density: D=20i+2j. Isn't it means that electric flux stick together in i direction is 20, in j direction is 2? That electric flux density tells us that electric flux seems to be in i direction more than j direction, therefore it is a vector not scalar? I may misunderstand something. Thank you!