Spiral Development: Experience, Principles, and RefinementsFeb 9, 2000 . Spiral development is a family of software development processes . Xerox's Time-to-Market process uses the anchor point milestones as hard- ... from system definition, excluding users from system construction, or excluding.spirals uses and principles and construction,Elements and Principles of DesignThe principles of design are the rules by which an artist uses the elements of design. The most often used principles in visual art are: balance, emphasis,.
spirals uses and principles and construction