what are open and closed variables ?

Question

I saw it somewhere in a response on an other question and have no idea what it could reference to.

Answer 1

you mean open close principle or open close of a window?

Answer 2

hi now I read the ref questions. open and close are just names of boolean variable

var open = True
var close = False

Answer 3

hi, you mean the scope of the variables, global or local?