
Health
Absence of disease.
Safety
The absence of risk of serious personal injury.
Accident
An unplanned, unwanted event which leads to injury, damage or loss.
Near miss
An unplanned, unwanted event that had the potential to lead to injury damage or loss(but did not actually do so)
Dangerous occurrence
A specified event that may have to be reported to the relevant authority by law.
Hazrad
Something with the potential to cause harm.
Risk
The likelyhood that a hazard will cause harm, in combination with the severity of injury, damage or loss that might occur.