| Default | Appears in the Language  column when the letter type is tagged to the default correspondence language (English). 
        
         - You can change the correspondence language of the letter types.
 
         - You can associate this letter type with a letter type that is tagged to other correspondence language.
 
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| Default - Associated | Appears in the Language  column when the letter type is associated with another letter type that is tagged to a correspondence language other than English. 
        
         - You cannot change the correspondence language of the letter. You must remove the association to change the correspondence language.
 
         - You cannot associate this letter type with other letter types that have the same correspondence language.
 
          For example, if Letter A is tagged to English correspondence language, and Letter B and Letter C are tagged to French correspondence language, then you can associate Letter A with either Letter B or Letter C. You cannot associate Letter A with both, Letter B and Letter C, as they are tagged to the French correspondence language. | 
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| Language Name | Appears in the Language column, such as  , when the letter type is tagged to that correspondence language. This letter type is not associated with other letter types or not used in an association. 
        
         - You can change the correspondence of this letter type.
 
         - You cannot associate this letter type with any other letter types. You must change the correspondence language to English for associating it with any other letter types.
 
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| Language with a check mark | Appears in the Language  column, such as  , when the letter type is not associated with any other letter types, but is used in an association. For example, if Letter A is associated with Letter B, then Letter B is used in an association and the language name with a check mark appears in the Language  column against Letter B. 
        
         - You cannot change the correspondence language of this letter.
 
         - You cannot associate this letter with any other letters as it is tagged to a correspondence language.
 
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