Control the visibility and graphic display of model elements, datum elements, and view-specific elements for each view in a project.
Video: Control Visibility and Graphic Display
The settings that you are overriding are those specified at the project level. Project level settings are specified in the Object Styles dialog. See Object Styles.
You can override the cut, projection, and surface display for model categories and filters. For annotation categories and imported categories, you can edit the projection and surface display. In addition, for model categories and filters, you can apply transparency to faces. You can also specify visibility, half-tone display, and detail level of an element category, filter, or individual element.