ISO-PAS_21448-2019 Scope Normativereferences. 3Termsanddefinitions. 4Overviewofthisdocument’sactivitiesinthedevelopmentprocess.. 5Functionalandsystemspecification(intendedfunctionalitycontent). 5.1Objectives. 5.2Functionaldescription. 5.3Considerationonsystemdesig