| Normal Ending (N) | Default | 
| High Ending (H) | Ending located at the top of the current section. Depending on the orientation of the sections, the process may continue into another section. 
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| Low Ending (L) | Ending located at the bottom of the current section. | 
| Incomplete (I) | Use to label arbitrary endings, endings that disappear for unknown reasons, endings that should be audited later.. | 
| Origin Ending (O) | Indicates the directionality of the tree. 
 The program keeps track of directionality to apply branch orders. See Directionality in Editing Trees for details. | 
| Midpoint (M) | Ending of a long branch that is indeterminate at the time it is placed. |