<ul data-eligibleForWebStory="false">A major breakthrough in a baby's development is the ability to crawl intentionally and with direction, indicating the start of mapping skills.Mapping is described as forming internal models of the external world, allowing for planned movements and foresight.This newfound ability shifts from reactive to proactive behavior, enabling strategic planning and navigation in complex environments.For product leaders, developing mapping skills can lead to anticipating obstacles, visualizing lifecycles, and designing scalable systems.