Concept:
rectangle: refers to the contents of the display box enclosing rectangle, a rectangle that consists of four corner points blue circular configuration
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anchoredPosition:
anchoredPosition3D:
anchorMin, anchorMax: refer to the four corners of the underlying normalized coordinates, also known as the anchor. Argument range: [0]
offsetMin: lower left corner of the rectangle -anchorMin, pixels.
offsetMax: lower left corner of the rectangle -anchorMax, pixels.
pivot: normalized coordinates of the center of rotation. Value range: [0,1]
rect:
sizeDelta: size of the rectangle size rectangle -4 constituted subscript