| Signal space | Threshing floor, Flerio, Naxos, Greece | Zde | CC BY-SA 4.0 |
| Epistemic separation | Ruth series: threshing floor, winnowing, Palestine, c. 1930s | G. Eric and Edith Matson Photograph Collection, Library of Congress | Public domain |
| Classification | Grafted elm, Beith, Ayrshire, Scotland | Roger Griffith | Public domain |
| Correspondence | Olive, Olea europaea, herbarium specimen AK354137 | Steve Benham, Auckland Museum | CC BY 4.0 |
| Canon & versioning | Sefer Torah, Chester Beatty Library, CBL Heb 777 | Chester Beatty Library | Public domain |
| Amendment process | Great Isaiah Scroll (1QIsa), scribal corrections and cancellation marks | Jb344tul | CC0 |
| Disconfirmation, lit lamp | A burning lamp: Herodian-type clay oil lamp | Davidbena | CC BY-SA 4.0 |
| Disconfirmation, unlit lamp | Oil lamp, Nazareth Village, Israel | James Emery | CC BY 2.0 |
| Prediction ledger | Ledger, Bleakley & Montgomery, Elizabethtown, Kentucky, 1804 | Internet Archive Book Images | No known copyright restrictions |
| Duty of care | Vineyard and watchtower, Palestine: “and hedged it round about, and built a tower” | G. Eric and Edith Matson Photograph Collection, Library of Congress | Public domain |