Used when there's a real risk of tripping or falling due to obstacles or conditions on the ground. Mind your step around the cables on the floor.
Pro Tip 2/3
Variable Usage
Depending on context, it stresses urgency or is a gentle reminder to pay attention to one's surroundings. Please mind your step, the stairs are quite steep here.
Pro Tip 3/3
General Safety
Often used in situations like hiking, construction sites, or during bad weather to promote safety. Watch your step on this hiking trail; it can be treacherous.