A task is an elementary action that cannot be further detailed

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Such that when detailed, they are divided into a sequence of certain simpler actions. Usually the actions are divided as follows: A process is a large action that requires further detail in modeling. Gateway (Gateway, Fork) Gateway Gateway is a control node that appears in the case of conditional branching of a business process. It is graphically depicted as a diamond. Gateways are also necessary in cases where the order of actions depends on certain factors. For example, when working with customers, a gateway appears at the stage of the client's decision to purchase - "yes or no".

If the decision is positive, it is necessary to complete list of usa whatsapp phone numbers the purchase; if negative, it is necessary to find out the possible reasons for the refusal, work with the "refusal", etc. Flow and Message Flows Flow Flow is a sequence of actions, denoted by an arrow, and shows which action must be performed after which. Message Flows are the dotted arrows in a business model that show the messages that are exchanged between participants in a business process. For example, if an order is transferred from a customer to the sales department for processing, it is accompanied by a message that contains information about this order.

Message Flows can also connect two separate pools in a diagram. Message Flows Association – another type of lines, unlike messages, which are dotted lines, this option is displayed as a sequence of dots rather than segments. It is necessary to show artifacts (more about them below). Pool Pool A pool is an object that describes a single process on a diagram. It may not be depicted on the diagram, but it is always there. There may be several pools on one diagram. A pool can be expanded to view details. The pool may also contain so-called "tracks".