In addition to Guide Lines and Snap Guides, the relative construction methods also constrain the element construction direction to a constant angle or offset. They are accessible from the Drafting Aids toolbar:
They can also be accessed from the third button of the Control Box.
Note: The Control Box is not visible by default. It is available at Window > Palettes.
See Control Box for more information.
Each Relative Construction Method is described in the following sections:
Parallel and Perpendicular Constraints
Offset and Multiple Offset Constraints (Relative Construction Methods)