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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.
Now much clearer...
Not.
Seriously, some example could help. I think this will be the easiest way to understand what you need help with.
It seems that you don't understand words.
We'll try with this:
Output.window !== Solution.window;
Hard to know what you meant with that.
100% agree.
The Output doesn't fit with the solution.