NAME=Centroid
The center most point of a feature.
NAME=Characteristic
Each feature type has certain characteristics that define the feature's nominals and form. These characteristics are used when calculating dimensions and constructing points. A point, line or plane characteristic can be derived from a feature's measured position.
NAME=DATUM
A reference feature from which measurements are made. The DATUM location is known and reliable.
NAME=Intersection
The location where input features cross for the creation of a related feature. For example, two points might intersect to create a point.
NAME=Reference Plane
Provides the plane that coincides with the feature's nominal values.
NAME=Step
Part of a task that requires either measurement or other input.
NAME=Task
Includes a number of steps that need to be completed to accomplish the creation of a feature.