| api_key | The bearer token provided by the auth call. Must be supplied as an Authorization header for all authenticated calls. |
| flock | The client identifier / database, also known as a bucket. |
| resource_type | The data type, table, or model used by Sheep. Examples: person, organisation, booking, ticket, payment. |
| resource | A single record of a given resource type. |
| primary resources | person, organisation, booking, group |
| secondary resources | Records which attach to primary resources, e.g. payment, ticket, membership. |
| sheep uri | Sheep URIs are used extensively to refer to resources. They are composed as /$FLOCK/{resource_type}/{uid}/. |
| slugified uri | A Sheep URI expressed as a flat string: $FLOCK-{resource_type}-{uid}. |
