Location

Timezone based on the external IP

You should leave this feature as default since Timezone will be based on IP address or proxy address, SOCKS that you are using. This will be best with the browser.

Fill geolocation based on the external IP

This feature allows you to choose the timezone you want without relying on ip address, proxy, socks.

Prompt

This feature allows you to select the location you want based on ip address, proxy, SOCKS.

Prompt fill GEO

This feature allows you to set your browser's current location manually.

Allow

This feature uses the current root location of the computer you are using even if you use a proxy, sock.

Block

This feature blocks websites from reading your location including blocking reading computer location and proxies, sock.