Course pacing can be determined in two different ways: Range or Continous.
See the comparison between the two types here: https://trainingsupport.accelerate.education/knowledgebase/what-is-the-difference-between-a-continuous-and-range-course/
Providing your students with proper pacing by assigning lessons to their calendar is important. You can do so either from the Scheduling section in Editor mode:
Or from the lesson settings:
Please keep in mind that due dates set in Range courses are hard due date (meaning late assignments cannot be submitted) unless you go into each lesson and allow late submissions:
For other best practices, please see the video here: https://view.vzaar.com/22097678/video