Help screen column header Subcategory Levels From Joomla! Documentation Revision as of 12:25, 13 September 2016 by FuzzyBot (talk | contribs) (Importing a new version from external source)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Other languages:English • Nederlands Subcategory Levels. (Use Global/All/1-5) The number of levels of subcategories to show in the layout. Select All to show all levels in the subcategory hierarchy.