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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.
In doing the abbreviations kata which shortens words longer than 4 letters to first and last letter with a number for letters between, what standard is used? There is nothing in Wikipedia or other places describing the process. The requirements listed for the kata are insufficient to complete it. Unknown error is not feedback.