A triad appears in part and assembly documents to help orient you when viewing models. You can also use it to change the view orientation. You can hide the triad but you cannot use it as an inference point.
You use a different triad to manipulate sketch entities, models, assembly components, etc. See
Triad.
To display or hide the reference triad, click . Select or clear Display reference
triad, then click OK.
To change the view orientation with the reference triad: