Life Cycle of a Class 
Revision log
| Date | Revision description |
| 2024-03-12 | Editorial - replaced 'Ur' with 'Anchor' |
| 2022-10-18 | Updated the template graph |
| 2021-01-11 | Editorial changes |
| 2020-11-18 | Added the rule that a class-of-temporal-part Class is the anchor of all its information |
| 2015-06-06 | Added diagram explaining the relation between ClassOfTemporalWholePart and TemporalWholePart |
| 2015-05-03 | Simplified the topic since parts of it have been discussed in other topics |
| 2012-06-13 | First issue |