| UtCharmapLink | Link used to store temporarily UtCharset structures in a linked list |
| UtCharset | Contains informations about a charset |
| UtCharsetEval | Contains evaluation of a charset |
| UtCharType | Description of a character |
| UtExtCharLine | Refers to a line with extended characters |
| UtLangSys | Structure containing different languages or systems used |
| UtSession | Structure containing all required information for Utrac |
| UtText | Contains all the information about a text and its processing |
1.3.9