What is an activity?

in this video we are going to demonstrate activities consider the following business situation regarding the reimbursement process the process objective is to reimburse the expenses incurred by an employer company for example travel representation parking expenses etc an employees should present the expenses claim to the administrative area having received the claim the accounting assistant verifies it and issues the check to reimburse the money how do we model this process the first element considered in BPMN is an activity activities are represented by round rectangles represent a task performed within an organization do not represent a state function

or event when an activity is completed the next activity starts should be labeled with verbs in the previous business situation the main activities which represent the actions within the process are the make expense claim review expense claim and pay expense claim activities these are activities because they represent actions to be executed and consume resources for example time once the first activity is finished the second one is activated and then the final one