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.
An orb weaver includes any spider that makes an orb web, and orb webs are those round webs built on a radiating structure of spokes like a bicycle wheel, like the one in the photo above. Some orb webs can be very big and strong.ecause their webs do such a brilliant job at catching and immobilising prey. Here are some of the more common orb-weaving spiders from the east coast of Australia. 1: St Andrewâs Cross Spider with an especially large and clear cross pattern in the centre of its web. 2: The males are much smaller than the females.