Definition from IAI: An IfcPort provides the means for an
element to connect to other elements.
An IfcPort is associated with an IfcElement, it belongs to,
through the objectified relationship IfcRelConnectsPortToElement.
Exactly two ports, belonging to two different elements, are connected with each
other through the objectified relationship IfcRelConnectsPorts.
HISTORY: New entity in Release IFC2x
Edition 2.
Use Definitions
An instance of IfcElement may have one or more points at which it
connects to other instances of IfcElement. An instance of IfcPort
is located at a point where a connection can occur. The location of the port is
determined in the context of the local coordinate system of the element to
which it belongs.
Geometry Use Definitions