OBJECT
A rectangular area on a canvas/grid: origin (x, y) plus size, in integer grid units.
type Rectangle {# Horizontal position of the top-left corner from the left edge, in grid columns.x: Int! # Vertical position of the top-left corner from the top edge, in grid rows.y: Int! # Width, in grid columns.width: Int! # Height, in grid rows.height: Int! }