I have often heard dimensions spoken of but usually without explanations. Here are a couple of simple explanations that a child should be able to understand. It might help in understanding mathematics.
One Dimension
Two Dimensions
Three Dimensions
Four Dimensions
Five Dimensions
Six Dimensions
Seven Dimensions
Eight Dimensions
Nine Dimensions
Nth Dimension
~ a line ~ length
~ a piece of paper ~ length and width
~ a room ~ length, width and height
~ a moving train ~ length, width, height and speed (time)
~ a moving train on earth ~ length, width, height, speed (time) on a curved path
~ add a moon ~ add tides, earth and sea tides
~ revolving around the sun
~ add a planet and its effects
~ add another planet
~ add the rest of the universe
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IN RELATIONSHIPS
One Dimension
Two Dimensions
Three Dimensions
Xth Dimension
UMPth Dimension
Nth Dimension
~ me
~ a friend and I
~ a friend, a boss and I
~ a community and I ~ economy
~ the world and I ~ environment
~ the inhabitants of the world, the saints, the demons, Satan the Devil, the angels, the twenty four elders, Jesus, God the Father and I
2007 Jacques Gauvin