The term 'Zigzag in Snow' can be summarized as the skiing technique of SLALOM, which is a type of alpine skiing where the skier navigates between poles or gates marked with flags. SLALOM is a French word meaning 'sloping meadow' and is a popular competitive skiing event. It requires the skier to make quick turns around the poles while maintaining speed and balance. SLALOM is an Olympic sport and is also a popular recreational activity.