Literally the 4 DS =Dereliction of a duty directly causing damages .( Dereliction meaning deliberate or conscious neglect .) The 4 D's are used when a case is presented against a physician/practice for negligence/malpractice. The patient must provide proof against the physician for all 4 parts.
Playing is way more different because we have new technology and items we can use whilr playing with a friend. An example is the tablet or phone. People also make new techniques we can use while playing games, and new games we can play while friends are over!
I hope this helped you!
go to bed at 6 pm. youll get aaaaallll the rest you need. and eat healthy