registering Device - an element designed to collect information on the number and time of people passing through. A person is considered to have passed through the registering device if his/her trajectory crossed the line of the registering device. The registering device can be of two types: freestanding and in-door registering device.
Exit - the area into which people move.
People Contingent - a set of people forming a homogeneous group. The contingent is characterized by geometric characteristics and properties that determine the nature of human movement along paths of different types.