Iteration is the concept of repeating a process along with analyzing the results each time and improving them accordingly to achieve a certain outcome. Iterative approach includes specific stages. They are planning, analyzing, implementing, testing, and evaluating+reviewing.

Iteration is used to reach a long-term goal by thoroughly and carefully repeating a certain strategy that has proven to be effective. Such a process allows repeating the process once, being better than it was before, and then starting the process again from this new advantageous standpoint. The key of successful iteration is to assess the process each time, find out possible improvements, and apply them in the next round. The key benefits of continuous iteration are continuous development of a product or service, faster feedback that becomes automated, lower risk development, and improvement of the design process.

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