We use the drag and drop facility particularly to reiterate a point within the text. We use this for important information so as to engage the learner with what has been said. The facility allows the user to try right and wrong ways so as to ensure full understanding about the topic.
Here are two examples of ‘Drag and Drop’. Click on an image to try it out:
From "Conflict Management"
From "Risk and Security Awareness" : Drag and Drop who is at risk