A Cavity (n.) is like a leak in a roof, small this month and structural next year.
A Cavity (n.) is the body keeping a record of what you thought you were getting away with.
A Cavity (n.) is just a place to put stuff.
The Cavity (n.) is a perennial national problem that means a mouthful of silver for patients, and for dentists a pocketful of gold.
Clandestine space (n.) is a hidden zone inside a nation-state occupied by people who live within its borders but outside its legal protection.
A Clandestine space (n.) is a territorial gapsin a nation-state occupied by those who are physically within its borders yet legally considered outside of it.