▁of ▁the ▁system ▁data ▁elements ▁ex changed ▁between ▁particip ating ▁systems ▁( external ▁and ▁internal ), ▁system ▁functions , ▁or ▁human ▁roles ▁as ▁a ▁result ▁of ▁a ▁particular ▁scenario . ▁Each ▁event - trace ▁diagram ▁should ▁have ▁an ▁accomp any ing ▁description ▁that ▁defines ▁the ▁particular ▁scenario ▁or ▁situation . ▁SV - 1 0 c ▁in ▁the ▁Systems ▁and ▁Services ▁View ▁may ▁reflect ▁system - specific ▁aspects ▁or ▁ref in ements ▁of ▁critical ▁sequences ▁of ▁events ▁described ▁in ▁the ▁Oper ational ▁View . ▁ ▁SV - 1 1 ▁Phys ical ▁Sch ema ▁ ▁One ▁of ▁the ▁architecture ▁products ▁closest ▁to ▁actual ▁system ▁design ▁in ▁the ▁Framework . ▁The ▁product ▁defines ▁the ▁structure ▁of ▁the ▁various ▁kinds ▁of ▁system ▁data ▁that ▁are ▁util ized ▁by ▁the ▁systems ▁in ▁the ▁architecture . ▁( In ▁Do D AF ▁V 1 . 5 . ▁This ▁corresponds ▁to ▁D IV - 3 ▁in ▁Do D AF ▁V 2 . 0 .) ▁ ▁Techn ical ▁standards ▁view ▁Techn ical ▁standards ▁view ▁( TV ) ▁products ▁define ▁technical ▁standards , ▁implementation ▁convent ions , ▁business ▁rules ▁and ▁criteria ▁that ▁govern ▁the ▁architecture . ▁ ▁The ▁Do D AF ▁V 1 . 5 ▁TV ▁products ▁are ▁as ▁follows : ▁ ▁St d V - 1 ▁Techn ical ▁Stand ards ▁Profile ▁- ▁Ext raction ▁of ▁standards ▁that ▁applies ▁to ▁the ▁given ▁architecture . ▁( In ▁Do D AF ▁V 1 . 5 . ▁Ren amed ▁to ▁St d V - 1 ▁in ▁Do D AF ▁V 2 . 0 .) ▁ ▁St