APPLOADER                     Replace default Windows loader with custom loader
 CODE                          Set default for CODE segment attributes
 DATA                          Set default DATA segment attributes
 DESCRIPTION                   Insert descriptive text into program
 EXETYPE                       Identify target operating system
 EXPORTS                       Define exported functions
 FUNCTIONS                     Specify function order and location
 HEAPSIZE                      Set local heap size in bytes
 IMPORTS                       Define imported functions
 INCLUDE                       Insert another file into .DEF file
 LIBRARY                       Create DLL and name it
 NAME                          Create application program and name it
 OLD                           Preserve export information from previous DLL
 PROTMODE                      Specify protected mode Windows-based program
 REALMODE                      Specify real mode Windows-based program
 SEGMENTS                      Set attributes for specific segments
 STACKSIZE                     Set stack size in bytes
 STUB                          Add DOS stub to beginning of program file