...
The Text Properties toolbar can be used while creating text (i.e. when Text is active), and it can be used to edit selected existing text. You can access all properties of the Text tool by right-clicking on the tool icon. For details on changing properties of selected text only, see Object Properties
Shx (AutoCAD compatible). The available TrueType fonts depend on your Windows setup. AutoCAD (.shx) fonts are installed by TurboCAD, and are located in the Program\Fonts folder.
Choose: Regular, Italic, Bold, or Bold Italic. These four styles are not available for every TrueType font.
Height: You can set the height in either World or Paper units, depending on the current mode - Model Space or Paper Space. Text can be measured in points only if you are using Paper units.
...