Sorry, I guess the correct term I should have used was "line of sight". Would have made this a bit more understandable maybe.
Anyway, let me explain this more.
I chose 4 points on any window in my house.
The first image (edit: *re-uploaded* this is last image now, please return to the starting...
I am a degree student and .. A loner. During my free time, I usually try to observe my surrounding more, you know... :\
Here's the experiment I did (I saved it in my note app, copied it directly from there):
A certain window has a point of view (not referring to the meaning where point of view...