When working online, you can use this option to display the objects resulting from your analyses (as stored in the CAST Analysis Service schema) that match the selection criteria you have defined for all your layers/sets.
The option can be accessed:
When selected, the CAST Architecture Checker will query the CAST Analysis Service schema (via the current connection to the CAST Management Service schema) and return all matching objects. Results are displayed with a numerical indication in the title bar of your layers and sets. This number refers to the number of objects that exactly match the selection criteria defined for your layer or set: