CONTENTS

�0���� Introduction
�1���� Scope
�2���� Normative references
�3���� Definitions
������� 3.1���� Definitions from ISO/IEC 8807
������� 3.2���� Definitions from ITU‑T Recommendation Z.100
������� 3.3���� Definitions from the Z-Base Standard
������ �3.4���� Definitions from ISO/IEC 9074
�4���� Interpretation of modelling concepts
������� 4.1���� Architectural semantics in LOTOS
������� 4.2���� Architectural semantics in ACT ONE
������� 4.3���� Architectural semantics in SDL�92
������� 4.4���� Architectural semantics in Z
������� 4.5���� Architectural semantics in ESTELLE