| Answer | Crossword Clue |
|---|---|
| nonphysical | Not tangible or concrete |
| invisible | Relating to or denoting earnings that a country makes from the sale of services or other items not constituting tangible commodities |
| unset | not set; not solidified or made firm, as concrete or asphalt |
| REAL | Tangible, not virtual |
| UNSET | Not firm, as recently poured concrete |
| tokened | a symbol regarded as an individual concrete mark, not as a class of identical symbols |
