An open space
glade
A Glade or a Clearing
An open circuit is called open because the circuit has an opening, a disconnection. In other words, there is an open space in the circuit in which the electrons cannot move through.
This space was called a forum. If it were in Greece, it would have been called an agora.
It is usually called a landing.
Atrium? plural: atria
all you need is some hurdles, which can be made of wood, plastic etc. and an open space to run.
Harrison Owen invented open space technology in 1982. Harrison Owen and David Belisle wrote a paper called the organization transformation.
It was called a forum.
A mall is a long, narrow strip of open space.
Lots of wood and lots of lighter fluid. Plus make sure you have a big open space away from objects like trees and houses.