The course structure is extremely important. Consistent naming conventions help learners recognize patterns to where to go and what to do next. Also, students need both learning support and technical support. Ideally, there will be technical staff to handle more advanced support queries. It is vital to understsand the CMS you will be uisng, as it will be the main communication and feedback tool to support student learning. Successful online courses are well tought out long before students enter them.