H              H            H
    |              |            |  (Note: This format hides the facts that
    |              |            |   a float is composed of Sign+Mantissa+Exp.)
    V              V            V
Character:[R]   Integer:[47]   DoubleFloat:[3.1415926535]

   H
   |
   |     (Note: This format hides the fact a keyword's PrintName is a string.)
   V
Keyword:
+-----------------+
|IF-DOES-NOT-EXIST|
+-----------------+