The Tab Views options relate to the form tabs and navigation bar company logo:

Show in Tab View Caption
These settings make the captions in the tab views more verbose to assist navigation:
Contact Name
When this option is checked, the name of the contact is shown in the form view tab as follows:

Company Name
When this option is checked, the name of the company is shown in the form view tab as follows:

Navigation Bar Logo
This graphical setting points to an image file which is displayed beneath the Navigation Bar. This setting is normally used to display the brand image of the recruitment company using the application.