I've just noticed What is the Android Permission “WRITE_GSERVICES” doing? with a long discussion in its comments whether it should have been closed. True, there is a "general list" in What do android application permissions mean? – but I doubt it will ever be complete. We also have a general question on How do I root my Android device? – yet we allow for one question per device.
I'd vote we hold it the same with permissions: One question per permission, where it can be explained with multiple answers. That question then can be linked back to the "general index".
Especially in the example mentioned above, this makes a lot of sense. The permission asked for is not documented at all – and even Ryan mixed "Google Service Map" with "Google Map Service" (i.e. even experienced people get confused on that one). I thus voted to re-open that question – and here I vote to:
Let's permit one (in-depth) question per Permission, and use the general list as "index" – as we do with rooting questions.