Lesson sets are means for creating relationships and assigning special properties to included lessons.
They are a more general concept than courses, in which only lessons of the same teaching group and subject are grouped. Lessons can be included in multiple sets.
Optimisation settings
Lessons will follow the active rules. Some rules are mutually exclusive with other rules, for example cluster and spread cannot be used together.
Clustering
Schedule lessons to adjacent time slots.
Spreading
Schedule lessons to distinct days.
Ordering
Schedule lessons in order, given by order numbers assigned to all lessons.
Linking
Schedule lessons so that they start simultaneously.