As you can see, every class chooses a set of definitions.
This makes life hell for the scorekeeper because he usually won't know what the difference is between 1 up on a Dart 18 (Main only) and one up on a F16 (Main and Spin) using the language "1 up"

So, please spell it out for the handicapper and point out when your configuration differs from the published configuration.

US Sailing trys to help out by listing seperately the popular configurations of a boat and that has it's plusses and minuses but that's another argument.

Mark