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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.
Ahh then that would make sense.
Don't feel bad about that. I have no clue either and it looks like in the past five years only 39 people figured it out.
there are no strict perf constraints, many types of solutions are possible
I don't understand what to do?