If I have a filled in widget, post or page that is present in my main site but I want it to be visib

Ex.

1. The Widget for Donation in my main site http://www.theworldsmegamall.com, I want it to appear in all sub folders of this site.

2. Privacy Policy Page, I want to appear in selected sites.

3. The filled in WP-Insert widget, I want to appear in selected subfolders only.

4. The theme I got from you, I want to appear on selected sub folders only.

Thank you.