Một mối quan hệ phụ thuộc giữa hai yếu tố, trong đó một sự thay đổi các yếu tố mô hình độc lập ảnh hưởng đến các yếu tố mô hình phụ thuộc. Triển khai sơ đồ Hiển thị các kiến trúc thời gian chạy của các nút, các môi trường thực hiện, và các thành phần phần mềm thực hiện trong kiến trúc. | Glossary 465 Dependency A relationship between two elements in which a change to the independent model element affects the dependent model element. Deployment diagram Shows the run-time architecture of nodes execution environments and the software components that execute in the architecture. It is the ultimate physical description of the system topology including the structure of the hardware units and the software that executes on each unit. Deployment specification A modeling element representing a set of properties that determine execution parameters of an artifact that is deployed on a node. Design A discipline that describes how an analysis model can be implemented within a technical environment. A design model should provide enough detail so that the system can be implemented in a programming language. Destroyed A constraint that affects the life cycle of objects. The constrained object is destroyed during the execution of an interaction. Diagram A view element that shows projects a set of model elements. Discipline A collection of activities relating to an area of concern such as the requirements of a software system. Discriminator See Powertype. Disjoint inheritance Subclasses inheriting from a common superclass cannot be specialized to one common subclass using multiple inheritance . Disjoint inheritance is the default and is the opposite of overlapping inheritance. Document The stereotyped artifact document is a general electronic file containing information rather than source code or an executable that could be compiled. Edge A directed connection between two activity nodes used to mode control flow and object flow in activity diagrams. Element The abstract base class for UML. The element class provides an anchor upon which a number of mechanisms can be attached. A model element is an abstraction drawn from the system being modeled for example a class message nodes event and so on . A view element is a projection textual or graphical of a single model .
