Lexical symbols.- Constants.- Data types.- Variables.- Expressions.- Statements.- Routines.- Processes and their synchronization.- Modules.- The structure of a program.
Emile Aarts, Boris de Ruyter, Panos Markopoulos, Evert van Loenen, Reiner Wichert, Ben Schouten, Jacques Terken, Rob Van Kranenburg, Elke Den Ouden, Gregory O'Hare