You can put an arbitrary text in the Graph View window. This text may be useful as a comment explaining the details of the model. To add a text you need to create a Text box.
Select the Text box (
) button from the toolbar or Tools menu (note that the cursor shape changes). The Text box button will become recessed. Move the mouse to a clear portion of the Graph View and click the left mouse button. You will see a rectangle appear on the screen:
You can type any text inside the box. You can use any of the regular editing tools, such as cursor movement, selection, Cut, Copy, and Paste. After you have typed your text, press Enter or click anywhere outside of the box. The box may look as follows:
You can change the font type, style, size, and color using appropriate tools from the Format Toolbar. Shown below are some effects of using the Format Toolbar:
You can always come back to editing the text in the box by double-clicking on the box. Double-clicking makes the text visible for editing again.
You can select the box by single-clicking on it. A selected box shows its boundaries and two small squares at its left and right boundary.
You can re-size a selected box by dragging on one of these small squares. You can delete it by pressing the Delete key. You can drag the box to a new location by clicking on it and holding the mouse button down while moving it to a new location.