What is Jo harris window?

Answer 1

I think you mean the; "Johari Window", named after the first names of its inventors, Joseph Luft and Harry Ingham. This is a pictorial model about perceptions of individuals by themselves and others through discourse. The lines dividing the four panes are like window shades, which can move as an interaction progresses.

Known to Self Not Known to Self Known to Others OPEN BLIND Not Known to Others HIDDEN UNKNOWN This helps individuals map interactions and maybe used to describe how you perceive yourself and how others perceive you through discourse or actions.