Adds a label with a leader to a point.
Access this tool from the Locators palette:

Annotate workflow
Select the tool and do one of the following:
Click a reference point, or a point on a curve, surface, or mesh.
Click a point in space to create a reference point.
Type 3D coordinates to create a reference point.
Click the point in space where you want the text of the label.
Type the label text and press
.