In psychology<span>, concepts can be divided into two </span>categories namely natural<span> and artificial. Natural concepts are produced in a natural way by means of experiences.</span> They<span> can be improved from either direct or </span>indirect experiences in life. Whereas for artificial concept, it is defined by a particular set of traits. Different properties of geometric shapes are good examples of artificial concepts.<span> </span>
<span>In psychology, concepts can be divided into two categories: </span>Realizable and Unrealizable. Realizable concept may be or may be not realized, while unrealizable concepts cannot possible be realized.
