Clarifying IPv6 LuCI terminology: NDP-Proxy, ULA-Prefix, server mode, relay mode, hybrid mode

sounds wrong.

Relay mode is for the (supposedly rare) cases, where the ISP does not give out more than a /64 prefix, so that the same prefix needs to be used for both wan and lan.

EDIT:
relaying is explaining pretty ok in the current wiki:

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OpenWrt Wiki – 30 Oct 16
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