Course Author is a user who creates a course and fills it with study materials. In order to become a course author, one should upgrade his user account to the author role with the function "Upgrade the account".
After the user becomes the author, the course authoring function is available for him. On the pages of course creation author has access to administrative tools of the course.
The access to the created courses and course management is available in the section "My Courses" of the User profile.