Jason Braverman

A course has structural integrity to the extent that its content is segmented and sequenced into coherent sections based on a rational framework.

Adding animations and sound to your visual images is a best pratice for increasing student learing. 

You really can do anything in an online elearning platform that you could do in a classroom... just with some modifications. 

A course has structural integrity if its content is borken up into coherent sections based on rational framework. All content should be accessable, varied, and on level.