Instructional technology definition relates to the body developed for years by the AECT. This theory relates to the development of a curriculum of education in the field of educational technology. It also relates to a specification on the knowledge base of a particular field. In relation to the field of instructional technology, one can state that it consists of the definition of domains. It refers to the provision of documentation that provides definitions of subdomains and domains (Quain, Scales & Whithem, 2014). Therefore, considering the subject of instructional technology certain aspects comes to observation. It provides an in-depth examination of the knowledge bases of systems. Another aspect of the field relates to its interactions with research.