An electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to speak to a large public,

An area on a floor or area that is specifically designed to protect people from heat, smoke and toxic gases and which provides direct access to an exit.  NOTES: 

1 An area of refuge is intended to facilitate a safe delay in egress from the floor or area, thus constituting a space for people to await assistance for their evacuation.

2 Refuges are normally nominated by the relevant certifier.

An area in a facility where occupants and visitors are intended to gather in preparation for an evacuation

Any object found and deemed a possible threat by virtue of its characteristics, location and circumstances

A site-specific exercise implemented to determine the effectiveness of the emergency response procedures. Often a scenario

Tactical Decision Games -

scenarios that define who you are, why your there, what your assets are, your mission or objective and the threats against you. The situations can sometimes have gaps or be vague in certain areas, this forces the players to make assumptions or educated guesses. Participants give their solutions and a moderator may lead discussion on the most useful solution.

They are about  working through scenarios

Asia Pacific association for venue managers

A person who is within a venue who is temporarily visiting and is not—
(a) employed at or for the facility, either on a permanent casual, temporary, contracting basis; 
(b) a resident/inmate; or
(c) studying at the facility. NOTE: Visitors include patrons, customers and clients.

A person or persons appointed by the emergency planning committee to direct and control the implementation of the facility's emergency response procedures

The location on a floor or evacuation zone, that includes a handset provided through which instructions can be received from the intercommunication panel via the emergency intercom system.