Systematic development of educational experiences.

Guides for operating or assembling.

An instructional simulation, also called an educational simulation, is a simulation of some type of reality (system or environment) but which also includes instructional elements that help a learner explore, navigate or obtain more information about that system or environment that cannot generally be acquired from mere experimentation.

the support given to a student by an instructor throughout the learning process.

Instructional material, also known as teaching/learning materials, are any collection of materials including animate and inanimate objects and human and non-human resources that a teacher may use in teaching and learning situations to help achieve desired learning objectives.