3196 units
https://w3id.org/class/redaktor/units
Definition
Specifies the measurement units for the radius and altitude properties on a Place object. If not specified, the default is assumed to be "m" for "meters".see https://www.w3.org/TR/activitystreams-vocabulary/#dfn-units
Scope Note
: PropertyExample
{
  "@context": "https://www.w3.org/ns/activitystreams",
  "type": "Place",
  "name": "Fresno Area",
  "latitude": 36.75,
  "longitude": 119.7667,
  "radius": 15,
  "units": "miles"
}