/ ˌmiːz ɒn ˈsen; NAmE -ɑːn/ noun [ sing. ] (from French )
1.
the arrangement of scenery , furniture, etc. used on the stage for a play in the theatre
2.
( formal ) the place or scene where an event takes place :
Venice provided the mise-en-scène for the conference.
••
WORD ORIGIN
French , literally putting on stage.