Starlink is a satellite isp whos goal it is to provide you with reliable and fast internet. You can extend the range of your wifi a number of ways including but not limited to mesh wifi and a range extender.
WISP stands for Wireless Internet Service Provider. WISP is a mode on our router that turns it into a WAN (wireless area network) port. When activated you can connect to another wireless network and still use only a single IP address.