Pragmatics is a subfield of linguistics and semiotics that studies the ways in which context contributes to meaning. Pragmatics encompasses speech act theory, conversational implicature, talk in interaction and other approaches to language behavior in philosophy, sociology, linguistics and anthropology.
A durable medical equipment business is a company that sells health care related items intended for use in the home for an extended period. Products such as wheelchairs, hospital beds, glucose monitors and nebulizers are considered durable medical equipment, and are often covered by insurance plans and Medicare provided that the equipment is intended for long-term use.
Medical equipment (often called durable medical equipment) rented or purchased for use in the patient's home. Medicare Part B covers a wide variety of medical equipment for use in a patient's home. Some equipment must be rented, some purchased, and sometimes the patient has a choice. Equipment must be medically necessary and prescribed by a doctor.