How do you get a further wifi?

WIFI means Wireless Fidelity

Yes, it's built in and works similarly to the wifi on the iPod Touch.

no you don't

If there's no Wi-Fi in your area, then you can't get Wi-Fi.

No, that's misunderstanding how wi-fi works. Wi-fi is a signal broadcast from a wireless hotspot, which only have a limited range. To be able to use that hotspot, you have to be within that range,...