| DisplayName | ID | Parent | Accessibility |
| FAQ | System.Knowledge.ArticleTypeEnum.FAQ | System.Knowledge.ArticleTypeEnum | Public |
| How To | System.Knowledge.ArticleTypeEnum.HowTo | System.Knowledge.ArticleTypeEnum | Public |
| Issue | System.Knowledge.ArticleTypeEnum.Issue | System.Knowledge.ArticleTypeEnum | Public |
| Enterprise Application | System.Knowledge.CategoryEnum.EnterpriseApplication | System.Knowledge.CategoryEnum | Public |
| Hardware | System.Knowledge.CategoryEnum.Hardware | System.Knowledge.CategoryEnum | Public |
| Networking | System.Knowledge.CategoryEnum.Networking | System.Knowledge.CategoryEnum | Public |
| Other | System.Knowledge.CategoryEnum.Other | System.Knowledge.CategoryEnum | Public |
| Printing | System.Knowledge.CategoryEnum.Printing | System.Knowledge.CategoryEnum | Public |
| Software | System.Knowledge.CategoryEnum.Software | System.Knowledge.CategoryEnum | Public |
| Duplicate | System.Knowledge.TagEnum.Duplicate | System.Knowledge.TagEnum | Public |
| Incomplete | System.Knowledge.TagEnum.Incomplete | System.Knowledge.TagEnum | Public |
| To Rewrite | System.Knowledge.TagEnum.ToRewrite | System.Knowledge.TagEnum | Public |