Unique attribute ID, cannot be changed and is automatically generated by plugin. (2) Name is used as label and can be multilingual - for each language different. (3) Identifier is used as ID on row that keeps attribute data in pattern "atr-{identifier}" so you can reference to in in style sheets. (4) Type of attribute. Select box can have nested values up to 8 levels. Radio & checkboxes can have values and are multilingual. Other inputs cannot have values. (5) Select in which categories will be attribute shown. This takes effect on search & publish page. If no category is selected, attribute is shown in all categories. (6) If attribute is disabled, it is not showing on publish, edit and search page (7) When required, on publish & edit page user must enter value. This works for checkboxes as well (at least 1 must be selected). (8) Enable to add field into search form on search page. Users can search by this attribute then. T