| Clue | Source | Date |
|---|---|---|
| Make more concrete to repair when court is not used | ||
| Make tangible | Newsday | 17 Sep 2016 |
| Make less abstract, as a concept | Wall Street Journal | 05 Feb 2016 |
| Convert from abstract to concrete | USA Today | 02 Sep 2015 |
| Convert from abstract to concrete | ||
| Convert from abstract to concrete | ||
| Convert from abstract to concrete | ||
| Treat an abstraction as something concrete | ||
| Regard as material |