I am new on this site I have been with a few escorts before. I have seen some ladies here saying they will GFE? I guess I am dumb I don't know what that is. All I know is what greek is. I don't even know what french or russian is. I have been married. I am dumb I guess I was married to the same boring ass women for 18 years.
At the top of this thread there is something called TER's Instruction Manual. You'll find everything there.
In the Instruction Manual above you will find a glossary.
Basically GFE is a marketing term to indicate that the provider will approximate the experience you would have with a real girl friend as opposed to the proverbial cold and impersonal experience that providers are said to offer.
It usually includes oral sex (French) as well as intercouse (full service or FS)
Russian is when a provider allows you to rub your cock between her breasts and come on them.
There's so much more though.
Read and enjoy.