If the current page is confusing to you, it might be time to start reading the Missing Moments. The page till make sense without context eventually, but for the sake of answering a lot of your questions (and not denying yourself some really excellent writing and illustrations!) you should really check them out.

Ash and I had a lot of fun thinking up ideas for the purified Shard's form.  You can see the concepts here, and the final design: