Sanavisum

usage_headspace true:

Sanavisum describes a headspace that can only be navigated using echolocation or other sensory-based maneuvering tactics because the headspace is unable to be seen.

History
The Dödstöld Package multiplex coined this term, along with the rest of the naming system, the -Visum Collection.

Related Terms
As part of the -Visum Collection, other terms can be combined with it; notably, avisum, as sanavisum can be seen as a sublabel of it.