| Place | One device together with its cameras, alerts, and history. |
| Device | The unit that analyzes and stores video. Distinct from a camera. |
| Recording | One detected event: a photo plus the video for that span. |
| Alert | A definition of what to detect, on which camera, during which hours. A camera can have several. |
| Face registration | Assigning a name to a face selected from a recording. Registered people can be used in alerts. |
| People | The automatic grouping of everyone recorded. Separate from registration. |
| Indexed | A recording covered by search. Marked on the recording itself. |