Representation of items to scan

In the Items to scan panel, different icons are displayed in the check box next to each item (drive or folder), depending on which items will be scanned. These icons are shown below with explanations.
IconExplanation
The item and all sub-items are not selected for scanning.
The item and all sub-items are selected for scanning.
The item is partially selected: the item is not selected, but some sub-items are selected for scanning.
The item and all sub-items are excluded from this particular scan.
The item is partially excluded: the item is selected, but some sub-items are excluded from this particular scan.
The item and all sub-items are excluded from all on-demand scans, because of an on-demand exclusion that has been set up. For information, see Exclude items from on-access scanning.