Clicks come from people visiting your page and navigating to the stats page of your dragon. Unique views appear when someone who has never seen your dragon before views said dragon, and overall views come from all kinds of views regardless of how many times that IP has viewed the dragon or in what way.
Also overall views limits the number to a certain number per IP to prevent cheating and ****. Also I believe you can't just refresh to get another view too.
You are wrong here. You can theoretically get infinite views from one IP address, but you need unique views to get those views. 1 unique view gives you 15 views capacity.
EDIT: I caught another Magi:
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