It's rather mystical. I'm not sure how often they can re-use a face or whatever. The show may pin it down a bit more (because a visual medium is different from a written one) It's all so shrouded in mystery, and with it being a book, it's often defined by ones own imagination in the way you picture it. It's hard to say exactly (at least not without spoiling a fantastically scary WTF?! OMG! scene that's bound to happen eventually).
They've been laying this into Arya's storyline already, though. There have been easter eggs to foreshadow her Braavosi storyline.
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branchandroot
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Date: 2014-06-24 06:36 pm (UTC)They've been laying this into Arya's storyline already, though. There have been easter eggs to foreshadow her Braavosi storyline.