Originally Posted by
Tazzz
Thanks, but I do know the definition of flight time very well for along time.
There was nothing in your post that suggested that you did know the definition, however well or for however long.
You are, of course, free to log what you want. Whether or not you can include FFS time towards the flight time requirement for the issue of a licence, rating or certificate, well..... give it a go and see what happens to your application.