What's the difference between access point (AP) mode and router mode?

[Windows Central]

Best answer: The difference between router mode and access point (AP) mode is that router mode handles your home network's creation and deals with internet traffic. AP mode allows you to extend the reach of your wireless signal by acting as a relay with a few simple software changes. Using AP mode supports a single, wide-reaching network with multiple routers sharing one password, while router mode creates individual, self-contained networks.

Full story from the WindowsCentral blog...