What HW is and what it is used for – breakdown of companies, branches, departments, and groups of persons, use for filtering in lists and integration with the HR system.
It is used to change the selected reader in the structure or to create structure items.

Name – if you are editing a sensor, it is not possible to change the name in this agenda. It is set in the agenda Address points. If you are creating/editing items in the structure, you can set any name.
Note – you can enter any text as required.
Parent level – used to set the location in the structure.
Type – if you are editing a sensor, it is not possible to change the type in this agenda. It is changed, if permitted by the nature of the HW, in the agenda Address points. If you are creating/editing items in the structure, you can set the one that is in the agenda HW structure types.