Clear communication is important to give sailors the best experience and many will rely on simple, easy to understand course diagrams.
World Sailing uses a system of assigning symbols to courses (course signals) which consist of letters and numbers. The number always relates to the number of beats that a competitor is to sail to complete that course.
So an LRA2 course would be a windward / leeward course with an offset mark at the windward end and a reaching finish with two windward legs
select the relevant course name to show and download it's diagram.