Hi
Hope this helps..
Inside Local
Configured IP address assigned to a host on the inside network. Address may be globally unique, allocated out of the private address space defined in RFC 1918, or might be officially allocated to another organization
Inside Global
The IP address of an inside host as it appears to the outside network, "Translated IP Address". Addresses can be allocated from a globally unique address space, typically provided by the ISP (if the enterprise is connected to the global Internet)
Outside Local
The IP address of an outside host as it appears to the inside network. These addresses can be allocated from the RFC 1918 space if desired.
Outside Global
The configured IP address assigned to a host in the outside network
Simple Translation Entry
A translation entry which maps one IP address to another.
Extended Translation Entry
A translation entry which maps one IP address and port pair to another.
regds