What does bridging my modem mean?
Bridging your modem means that the modem itself will stop sending a WiFi signal.
When should I bridge my modem?
You should bridge your modem when you need to completely disable WiFi coming from your modem.
You may need to do this if you have purchased a third party router, you may want to enable bridge mode to ensure there are no complications with your WiFi.
What is NAT?
NAT stands for Network Address Translation, which is what enables multiple people on a network to use a single IP address.
What does it mean when I have a NAT conflict?
When two NAT devices are connected in a series (your modem and router for example) they may conflict together. Bridging your modem disables the NAT feature and allows for a router to avoid conflicts.