PDHPE stands for Personal Development, Health and Physical Education. It aims to develop students holistically by teaching core skills like communication, decision making, and problem solving. These skills help students maintain wellbeing in four categories - mental, physical, emotional/spiritual, and social. The document provides examples of how PDHPE teaches skills to support wellbeing in each category, such as communicating to improve mental wellbeing, learning nutrition for physical wellbeing, understanding life changes for emotional/spiritual wellbeing, and resolving conflicts for social wellbeing. Overall, PDHPE teaches skills to empower students to make healthy decisions and enhance their quality of life.