You may start by placing your foliage that you will use in a water vase. You have to make sure that you keep it around the lips or edges. Stick with the plan to place them the lips or edges of your water vase with a layer of your Foliage. When it is too big or too thick, it ends up detracting from your cut flowers. And if it is small or too thin, visual contrast will not show.
When you are satisfied with your flower arrangement, you may put a few sprays of your filler on design or arrangement. It should always be balanced the style of your arrangement. You want it to be simple and elegant. You may stand back and view your flower arrangement from every angle and side. Do you like what you see? Does it look good?