concession. n. 1. the act of yielding or conceding, as to a demand or argument. 2. something conceded. 3. (Commerce) Brit a reduction in the usual price of a ticket granted to a special group of customers: a student concession.
The term orb describes unexpected, typically circular artifacts that occur in flash photography â sometimes with trails indicating motion â especially common with modern compact and ultra-compact digital cameras.Orbs are also sometimes called backscatter, orb backscatter, or near-camera reflection.he orb artifact can result from retroreflection of light off solid particles, e.g., dust, pollen, or liquid particles, e.g., water droplets, especially rain) or other foreign material within the camera lens.
The genus Orbivirus is a member of the Reoviridae family, in the subfamily Sedoreovirinae. This genus currently contains 22 species (including the type species Bluetongue virus) and at least 130 different serotypes.Orbiviruses can infect and replicate within a wide range of arthropod and vertebrate hosts.pecies (with constituent viruses): 1  African horse sickness virus. 2  Bluetongue virus. 3  Chuzan virus. 4  Corriparta virus. 5  Epizootic haemorrhagic disease virus. 6  Equine encephalosis virus. 7  Eubenengee virus.