Ƙirƙiri wani nau'i mai mahimmanci na wannan jumla Rockwall wani birni ne a Rockwall County, Texas, Amurka, da kuma wani yanki na Dallas.
Tabbas, mafi rikitarwa na jumla shine "Rockwall birni ne a cikin Rockwall County, Texas, Amurka, da kuma wani yanki na Dallas da kuma wani ɓangare na Dallas / Fort Worth Metroplex. "