“[The universe] cannot be read until we have learnt the language and become familiar with the characters in which it is written. It is written in mathematical language, and the letters are triangles, circles and other geometrical figures. without which means it is humanly impossible to comprehend a single word." ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Galileo Galilei: The Essential Galileo
Pattern, like texture, is used to create visual interest. Unlike texture however, pattern does not invoke a tactile sense. Although textures can contain pattern-like elements, not all patterns are textures. Here patterns and variation are used to create interesting shapes with unity.