The two concepts explained are:
(1) Training- Training is the process of teaching the new and/or present employees the basic skills they need to effectively perform their jobs. Alternatively speaking, training is the act of increasing the knowledge and skill of an employee for doing his/her job.
(2) Development- Concept development refers to the basic understanding that is necessary to make sense of one's world. This includes ideas about the self and others, objects, and the environment. This basic understanding is crucial to communication, travel, and independence.