What do you call movies like Rosencrantz and Guildenstern Are Dead, which provide an alternate viewpoint to a previous story (Hamlet)?

I've always loved the play and movie, Rosencrantz and Guildenstern Are Dead, but I've never really known what to call works like this. I got into an argument with someone who called it "glorified fanfiction" which I really had no defense against. Can someone more informed than me help out with a tru...

What does actually Sage provide?

Will this tree tell everything about the Sage? I am wandering how this Sage website will deliver services to the customer or seeker on every aspects of knowledge?...

Test 1, test 2 what if it's a longer question. test 1, test 2 what if it's a longer question. test 1, test 2 what if it's a longer question. test 1, test 2 what if it's a longer question

This is what it looks like when I start typing my description. ...