Appendix B: Lexicon

Business Line:

A TC program or service.

Enterprise:

A business or an activity.

Hazard:

A condition, object, or activity that may cause injury to personnel, damage to property, loss of material, or reduce the ability to act.

Risk:

The possibility of injury or loss.

Risk Management:

A decision-making process where you identify risks, assess their implications, decide on a course of action and evaluate the results. Risk management includes risk assessment and risk control.

Safety:

A condition where risks are managed to acceptable levels.

Safety Management System (for TC):

a formalized framework for integrating safety into the daily operations of a transportation enterprise¹.

Security:

Safeguarding acts of unlawful interference intended to disrupt, cause harm, create terror, or cause damage to or by the transportation system.

Security Management System (for TC):

a formalized framework for integrating security into the daily operations of a transportation enterprise.

System:

A set of interacting parts (including people, activities, etc.), which form a whole. This whole has properties that cannot be found in the individual parts.

Systems Approach:

A way of looking at how and why things happen. A systems approach examines all the interactions and interrelationships of the various parts of a system, and recognizes that changes in one area may affect another (perhaps unforeseen) area.

Threat:

An indication or source of pending danger. Any circumstance or event to intentionally exploit vulnerability, with the potential to adversely impact people, assets, systems or environments.

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Footnote

[1] In specific cases, safety management system has been defined in legislation. For specific regulatory requirements please consult the appropriate documentation.