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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Yeah I'd agree this should be a general case question.
This seems rather useless as a kata in the current stand, barely more than an intro to calc and programming. Or maybe I missed something...