Reserved words are used in writing the post in XBUILD. These words are reserved because they have a special meaning in FeatureCAM, and cannot be used for anything else. They are place holders that are replaced with values when FeatureCAM generates the NC code.
Reserved words are referenced in formats by enclosing each word with angle brackets < >. Additional ASCII characters (for example X, Z, and F) are used to specify the letter for each word address.
In XBUILD, you can see the reserved words from:
In XBUILD, there are several types of reserved words: