Cat6 keystone and face plate advise needed

I am going to run cat6 cable from one end of the house to the other end terminating them with keystone jacks and face plates. I have access to under our house. I know what cable to buy, but I am confused with the many options for keystones and faceplates.

Searching on PBTech:

1. There is a Dynamix cat6 keystone RJ-45 for 110 face plate. There is a 90 degree jack and a 180 degree jack. What is the difference?

2. There is a Dynamix UTP keystone jack type 110, and there is a Dynamix RJ-45 keystone face plate horizontal mount. Again, what is the difference.

Your explanation and advise is appreciated. Better yet, just tell me what to buy.

TIA