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Symbol Legend

actively processing

actively
processing


business process/workflow logic

business process/
workflow logic


class definition

class definition



cloud component with service contract

cloud component
with service
contract

component or program

component or
program


conflict symbol

conflict
symbol


decoupled service contract

decoupled service
contract


decoupled service contract accessed via a uniform contract

decoupled service
contract accessed
via a uniform contract

firewall

firewall



general machine processable document

general machine
processable
document

general physical boundary

general physical
boundary


grid service

grid service



human

human



human readable document

human readable
document


Internet

Internet



malicious component or program

malicious
component
or program

message

message



message queue

message queue



physical server

physical server



policy

policy



process step or project/lifecycle stage

process step
or project/
lifecycle stage

product, system or application

product, system
or application


repository or storage device

repository or
storage device


repository with state data

repository with
state data


REST service using uniform contract

REST service using uniform contract



REST service (labeled)

REST service
(labeled)


REST service composition

REST service
composition


schema or data model

schema or
data model


security element or locked resource

security
element or
locked resource

service composition

service composition



service contract (chorded circle notation)

service contract
(chorded circle notation)


service contract accessed via a uniform contract (chorded circle notation)

service contract
accessed via a
uniform contract
(chorded circle notation)

service inventory

service inventory



service inventory boundary

service inventory
boundary


service layer

service layer



service with state data (stateful service)

service with
state data
(stateful service)

service agent

service
agent


services

services



state data in memory

state data
in memory


symbols used in conceptual relationship diagrams

symbols used
in conceptual
relationship diagrams

system or program boundary

system or program boundary



transition arrow

transition arrow



uniform contract

uniform contract



user interface/portal

user interface/
portal


virtual server

virtual server



Web service operation

Web service
operation


workstation

workstation



WSDL definition

WSDL
definition


zone or region

zone or region