You can specify descriptions and definitions for objects.
Procedure
Click Modeling table if the modeling table is not displayed.
If the Description/Definition column is not shown, add it.
Select the Description/Definition column for the relevant object and press F2.
Alternatively, double-click the Description/Definition column, or click the Description/Definition column and select Edit table cell. The Edit Description/Definition dialog opens.
Enter the description or definition. The text can be formatted.
Click OK.
The new or changed description is saved.