Answer:
Implementation phase
Explanation:
According to my research on the strategic marketing planning process, I can say that based on the information provided within the question the part being described is called the Implementation phase. This is the third phase and is also known as the Execution Phase, this is the phase in which the plan that has been designed begins to be implemented and made into a reality. Like mentioned in the question this is done by engaging in segmentation, targeting, and positioning of the product within the market.
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