A service level agreement (SLA) is a contract between a service provider and the end user that defines the level of service expected from the service provider. SLAs are output-based in that their purpose is specifically to define what the customer will receive.
Definition of Instep. 1. n. The arched middle portion of the human foot next in front of the ankle joint. 1. Noun. (anatomy) The arched part of the top of the foot between the toes and the ankle. Â¹.
These areas are called plaques and are most commonly found on the elbows, knees, scalp, and back. Psoriatic erythroderma (erythrodermic psoriasis) involves widespread inflammation and exfoliation of the skin over most of the body surface. It may be accompanied by severe itching, swelling, and pain.