Use free-form text
You can place text in the modeling area irrespective of other model items. This way you can add additional information to your model.
Open the model.
In an open model, display the
Symbols bar if it is not already open.Click
Text. When you drag the mouse pointer onto the model background, an icon is added to the pointer: 
Click the position in the modeling area where you want to place the text. A text box opens, in which you can make your entry.
Click next to the text box to finish the input.
Your text is displayed in the model and you can place it anywhere.
You can create occurrence copies and definition copies of free-form texts.
Occurrence copies represent identical free-form text. If you change one of the occurrences all other occurrences of the free-form text will change, as well.
Definition copies have the attribute values of the copied free-form text. If you change definition copies of a free-form text, all others will remain unchanged.