HL
HIDDEN LINE / Displays the image with all edges and lines drawn except those obstructed by surfaces.
HR
RESET TEMPORARY HIDE/ISOLATE / Restores any temporarily hidden elements or categories.
IC
ISOLATE CATEGORY / Isolates selected categories.
RH
TOGGLE REVEAL HIDDEN ELEMENTS MODE / Toggles the Reveal Hidden Elements Mode.
RY
RAY TRACE / Opens Ray Trace visual style, enabling a photorealistic rendering mode that allows panning and zooming around the model.
SD
SHADED WITH EDGES / Applies a shaded edge.
WF
WIREFRAME / Displays the image of the model with all edges and lines drawn, but with no surfaces drawn.