Alias The existence of two names in a data dictionary for the same item.

Allocated event-response model An event-response model showing the devices that will be used to implement the response.

Analysis model An abstracted representation of the system being studied. The model may include a set of data flow diagrams, event-response models, data models, data dictionary, and mini specifications.

Association The relationship between entities.

Asynchronous model A model in which the components act independently or in parallel. A data flow diagram is an asynchronous model, as it represents the system as a network of independent processes.

Attribute A data element that describes an entity or a relationship. Each attribute applies to every occurrence ...

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