The document outlines 10 unique characteristics of design for eLearning: 1) Learners online have shorter attention spans, slower reading speeds, and are more easily distracted. 2) Online learning allows for informal, fun, and exploratory learning that is available 24/7. 3) Online course design requires extra care and testing to get it right since there is no instructor present. 4) Online courses can incorporate additional teaching formats like simulations, treasure hunts, and interactive elements.