HALF SECTIONS
Half Section Views are used primarily on symmetrically shaped objects (where both halves are the same). They are a great shortcut because you can depict the inside and outside of the object all in one view.
Half Section Views can be placed on the same page or on another page.
If the view is displayed on another page, the Cutting Plane and Arrows always are displayed

FULL SECTIONS
Full section views cut all the way across the object.
Full Section Views can be placed on the same page or on another page.
The Cutting Plane and Arrows always are displayed.