Instead of conveying linguistic content and pointing to something outside itself, scat musiclike instrumental musicis self-referential and does what it means.
The precuneus is involved in self-referential processing, imagery and memory, and its deactivation is associated with anaesthetic-induced loss of consciousness.
Thus, tuckahoe and cohee quickly evolved into solely self-referential terms describing a family's ethnic and cultural lineage, independent of social class or wealth.