OptionalAppliedIndicates whether this keyword has been applied/activated in the image metadata.
OptionalChildrenArray of nested keyword structures representing child keywords in the hierarchy.
Enables multi-level keyword organization by recursively containing additional KeywordStruct entries.
The keyword text value for this node in the hierarchy.
This is the actual keyword string that appears at this level.
Individual keyword node in a hierarchical keyword tree.
The MWG standard supports unlimited nesting depth, but ExifTool limits extraction to 6 levels to prevent infinite recursion. Example: "Nature > Animals > Mammals > Dogs".