Do not teleport your users to different parts of the application. They must take a road to get there, and know which part of the app's 3D space they are in.
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All tagged navigation
Navigation options starting with mobile
There are a limited number of common navigational patterns for mobile that scale to desktop
Navjunk = horrible hospital navigation (+ a solution)
Navjunk is excessive ornamentation of navigation systems that distracts from its purpose. Post ends with an example of a good hospital sign system.
Medical clinic floor exit arrows
These floor arrows help patient’s escape from the medical clinic.