Final answer:
The term 'Not common - Inherent - Significant risk - Only harm from activity' represents a risk that is not common but inherent in an activity and can cause significant harm.
Step-by-step explanation:
The term 'Not common - Inherent - Significant risk - Only harm from activity' represents a risk that is not common but inherent in an activity and can cause significant harm. It signifies that there is a potential risk involved in an activity that may not be commonly encountered but can still lead to significant harm. This highlights the importance of being cautious and taking necessary precautions when engaging in such activities.