- Attributes of this element
- type (enumerated; vals: sit, take_notes, move, stand_whiteboard, stand_screen, other, off_camera)
res (string): ID of the resource from which the element was loaded
obs (string): ID of the observation the element belongs to
who (string): ID of the agent the element belongs to - Pointers from this element
- Valid child elements
- Valid parent elements
- Layer
- movement-layer
- Annotation type
- one file per agent per observation