Gateways in BPMN

< BPMN
 * Wikipedia: https://en.wikipedia.org/wiki/Business_Process_Model_and_Notation#Flow_objects_and_connecting_objects

Introduction
In BPMN you can define five (or seven) types of gateways:
 * Inclusive Gateway (one or more path)
 * Exclusive Gateway (only one path)
 * Event-Based Gateway
 * Parallel Gateway
 * Complex Gateway

On our mind

 * https://knowhow.visual-paradigm.com/business-process-modeling/bpmn-gateways