View

Remove invisible elements
Can reduce the file size of the drawing if there are invisible elements in the drawing. Invisible elements can be created by applications
Note:
Invisible elements may have been created by external applications; they cannot be displayed using CAD onboard tools. The rule does not apply to the visibility switching of layers; invisible layers and their contents are retained.
BKS World
Resets the user coordinate system to the world coordinate system. (see Rotate user coordinate system to 0°)
2D wireframe
Changes the render setting of the CAD system to 2D wireframe modelling. (cf. _View3DWire2D)
Zoom limits
Zooms to the largest possible display of all objects in the drawing. (cf. Zoom limits)
Top view
Sets the view to top view in the world coordinate system. (see _Top)