Use the Label Styles collections in the Settings tree to create and manage label styles and expressions for a class of objects.
Click the +/- box to expand the collection and see the label styles for the object. Some objects have multiple levels of label styles.
The following illustration shows an example of a label style collection:

Right-click a label style name to display a context menu that contains the following commands:
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 Select this command...  | 
 If you want to...  | 
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 Change the properties of the label style.  | 
| New | 
 Create a new child label style.  | 
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 Create a new label style based on an existing label style.  | 
| Find References | 
 Locate where label styles are used in the current drawing. This command is displayed only when the label style is in use.  | 
| Replace With | 
 Replace the use of a label style with another label style. This command is displayed only when the selected label style is in use.  | 
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 Delete the selected label style. This command is displayed only when the style can be deleted.  | 
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 Update the Settings tree display.  |