INSTRUCTIONAL DESIGN can be seen that the definition of Instructional Design, despite having various perspectives, revolves around the following key points:- INSTRUCTIONAL DESIGN is a purposeful activity: to improve the learners' capabilities, solve individual and organizational problems.- INSTRUCTIONAL DESIGN is based on scientific foundations in education and psychology; applying theories and models of learning systematically.- INSTRUCTIONAL DESIGN is a closed process that goes from analysis to evaluation.- INSTRUCTIONAL DESIGN is applicable in schools, businesses, educational organizations, the military, and even in individual self-learning activities like unschooling.- INSTRUCTIONAL DESIGN is used to design 'learning products' to make them easy to understand, interactive, and engaging for learners.- These products include online courses, instructional manuals for teachers, facilitator guides, participant workbooks, training videos, learning simulations, infographics, etc.- INSTRUCTIONAL DESIGN is used for direct (offline), digital/online, and blended teaching/training activities.