Outside global address - The address of the destination as seen from the outside network. It is a globally routable IPv4 address assigned to a host on the Internet. For example, the web server is reachable at IPv4 address 209.165.201.1. Most often the outside local and outside global addresses are the same.
Outside local address - The address of the destination as seen from the inside network. In this example, PC1 sends traffic to the web server at the IPv4 address 209.165.201.1. While uncommon, this address could be different than the globally routable address of the destination.