Enter the program variable or expression you want to watch.
 
The Watch window can display the value of an expression
made of variables (e.g. X + Y).
 
┌────────── Add Watch ─────────┐  Type the variable
│ Enter expression to be added │  or expression you
│ to Watch window:             │  want to watch
│ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒◄── here.
│                              │
│  <OK>                        │
└───▲──────────────────────────┘
    │
After you choose <OK>, the Watch window will show the
variable name, preceded by the name of the program
part, in the View window.