In ARCHICAD, each construction elements is assigned an Element Classification in the Categories and Properties panel of its Settings dialog box. Such a classification makes certain properties and parameters available to these elements for use within ARCHICAD and by other applications: to add descriptive data, to locate elements, for listing purposes, etc.
You can also search for elements by their Element Classification, using the criteria of the Find & Select dialog box. Also, Interactive Element Schedule (IES) can list properties and parameters by the Element Classification.
Element classification is also used in model mapping when exporting to IFC. While each ARCHICAD element’s default classification has a default counterpart in IFC, you can assign it a different Element Classification, and therefore map it to a different IFC type. For example, if there is no specific ARCHICAD tool corresponding to the IFC element type you want to map it to; or if you have used certain tools to model elements of a different type, such as using the Slab tool to model a ceiling, or using the Wall tool to model a curved beam.