You may view the Data Source of Tokens and the formula of Custom Tokens on your layout via hyperlinks in the right-click menu, as shown below (Fig. 12.4).
After Right-click:
•select View Data Source to highlight a Token's Data Source, or
•select View Custom Token to highlight the Custom Token's formula within the Custom Tokens window.
Figure 12.4 - Token and Custom Token hyperlinks to Data Source and Custom Token formula within Custom Token window, respectively.