Jane is the name the narrator gives to the woman she sees trapped behind the yellow wallpaper in Charlotte Perkins Gilman's short story, The Yellow Wallpaper or the name of the narrator herself, which is unclear.
The play-within-a-play is an example of metatheatre, a common convention in Elizabethan drama that involves characters in a play commenting on the nature of theater itself.
Laertes is fatally wounded by his own poisoned sword during a duel with Hamlet, and he dies after asking for forgiveness and blaming his actions on Claudius.