Site Wide
This tab will affect Site Wide schema settings of your website. i.e. you want to show some Schema Item Site Wide on all pages of your website. You can also use this tab for site identity Schema.
First setting you see is
Site Entity Schema
In this setting you can select schema items that you want to show Site Wide. In the search box you will find all the Schema Items that you have created before.
You can select any item here that you have configured for Site Wide visibility.

For test Purpose I have selected the “My Brand” for Site Wide schema. Google Structured Data Testing Tool is showing the results and “My Brand” is shown properly.

Now let’s get back to the rest of the settings in Site Wide tab.
General Schema Settings
(Remember: These settings are only here to help you add Site Wide schema easily. You can always add Site Wide schema through schema items. Schema items give you more control over these settings.)
These settings are added here to make your Site Wide schema setting tasks easier.
Enable Search Box Schema: this will add your website’s search query URL to schema for search engines to understand how to search in your website. There is possibility that Google Shows


Site Navigation Menu: Here you can select any navigation menu from your website. uSchema will show this menu in schema as site menu. This makes easier for search engines to understand your website structured.
About Page Contact page: in this setting you can select about page and contact page of your website. It will be added to Site Wide schema and it will indicate your about page and contact page for search engines to find it easily.
Enable Easy Site Entity Schema: if you switch this option on you will get some extra settings. To make Site Wide schema easier. You can select the type of Site Wide schema as person or organization and define additional information. These will be added to your Site Wide schema for search engines. (do remember you can do all this through schema items)