The document discusses patterns and provides examples. It defines a pattern as something that forms or continues according to a model. Examples of patterns given include the changing colors of a stoplight, the repetitive nature of time, and counting numbers. The document poses incomplete patterns and asks the reader to finish them, such as continuing the number pattern 1, 2, 3, 4, 5, __, __. It also notes that patterns can occur anywhere, not just at the end, and provides partial patterns asking for completion, like filling in the missing colors of Green, Blue, __, Blue, Green.