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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.
Not an issue.
Why is this an issue? None of those letters is one of the three you need to check for. So you can left them as they are. I know you say for consistency, but nowhere it says all letters are going to be capital ones.