Articlegroups in EZ-base are classified in a sensible and standardized order. This is called classification. The classification structure always consists of 4 layers.
An example to clarify this:
The first, global classification, level 1:
• Bevestigingsmaterialen
• IJzerwaren
• Machines
• Elektra
• etc.
Under example level 1 'Machines' level 2 is found
• Accu gereedschap
• Elektrisch gereedschap
• Handbediende machines
• etc.
Under example level 2 'Elektrisch gereedschap' level 3 is found
• Boorhamers
• Breekhamers
• Boormachines
• Freesmachines
• etc.
Under example level 3 'Boormachines' level 4 is found
• Boormachine
• Boormachine haaks
• Klopboormachine
• etc.
Here 'Boormachine haaks' is classified in the 4 level classification: