The paddle can only move horizontally across the screen, but not up and down which adds a dimension of difficulty to the game. (superluigibros.com)
You can apply lighter coverage in some areas and come back with a second coat of black or another color for added dimension and depth. (blog.jennasuedesign.com)
In the second programme he describes the «metaphysical context» of physical science simply as that which adds a dimension of «excitement» to our beliefs. (faith.org.uk)