1. Component (or constituent) ◆ one component system e two component system binary system three component system ternary system four component system quarternary system ◆ five component system quinary system multi-component system1. Component (or constituent) ◆ one component system ◆ two component system binary system ◆ three component system ternary system ◆ four component system quarternary system ◆ five component system quinary system multi-component system