Anchor point
A bend point on a polyline (curve or noncurve polyline).

Object
A collective term for shapes, text, and images.
Crop mark
A guide mark used for position alignment when cutting material printed on a printer.

Handle
A manipulator for modifying shapes and curve polylines.
There are two types: shape handles and curve-polyline handles.

Polyline
A line composed of multiple points, with the points connected by either straight line segments or curved lines.