|                [A]                            [B]                            [C]                            [D]                            [E]                            [F]                            [G]                            [H]                            [I]                            [J]                            [L]                            [M]                            [N]                            [O]                            [P]                            [R]                            [S]                            [T]                            [U]                            [V]              abstract class An abstract class is a class that cannot be directly instantiated. An instance can be created only i action 2nd An action is an individual operation that performs a single task on an element of a model. action language 2nd data types test state action language:procedure procedure:action language action:link link:action activation 2nd An activation is the execution of a single procedure in a state machine instance at some time. activity 2nd initiation by external signal activity diagram diagram:activity input sequencing actor 2nd An actor is a role played by an external entity that requires something from the system in one or mo swimlanes actual parameter parameter:actual agile 2nd Alexander, Christopher 2nd Ishikawa, Sara Silverstein, Murray archetype 2nd An archetype is a fragment of data access and text manipulation logic that states formally how to em language aspect -oriented 2nd join point assigner 2nd 3rd An assigner is a state machine that serves as a single point of control for creating links on compet association An association is the abstraction of a set of domain relationships that hold systematically between checking dynamically simple reflexive association class 2nd 3rd 4th An association class is an abstraction, as a class, of an association that may have its own attribut dynamics of lifecycle formalization association loop An association loop is a set of associations that together make up a path from one class, through ot redundant unconstrained association:distributing control in control:associations assumption-requirement pair requirement:assumption pair 2nd 3rd asynchronous creation attribute accumulating values An attribute is the abstraction of a single characteristic possessed by all the entities that were, checking derived documenting identifying referential attribute:action action:object action:attribute  |