metal clip for binding papers; basic food item; essential element; main crop or product of a region; trade item that is constantly in demand; fiber (of wool, cotton, etc.)
person who makes changes; person who introduces new methods or procedures; creative person
C -
act of casting back a mirror image; act of sending back energy from a surface; state of being reflected; image that is reflected; idea, concept; thought, notion; act of placing blame, accusation