Everything in life is layers. we connect deeper with that which is deeper on a subconscious level. When multiple related meanings are stacked into a particular expression, the impact is greatly related to the significance of those meaning. For example, an artist can choose to paint a house, or a home; and even though 2 such paintings may look similar to the physical eye, the mental eye can differentiate the artist intention to portray a home vs a house. Robert, like many artist, recognizes that intention is the expression.