What is instructional design and how would it be useful in training ?

Instructional design is a broad field encompassing the design of online academic course to designing micro learning for a company's employees or to training staff in eLearning strategies and techniques. An instructional designer seeks to enhance the learning experience by applying course design principles based on sound theory and best practice. An instructional designer is astute in assessing learners needs, developing solutions and interactions through clear objectives, monitoring its successful implementation and adjusting courses to better meet client expectations.