It is possible to leave message within the project for later understanding. Additionally, comments can be used to give notes to colleagues when passing the project to them.

The comment is one of the flow control elements, which can be used in- and outside of groups. By double-clicking on the white space the writing window opens. The writing window offers several possibilities to modify the style of the text, e.g. bold. After finishing the text will appear in the white space of the graphic element. The message can always be changed after opening the editor.

Here are some examples of edited text. It works similar to known text editors.