Description: an identifier consisting of a string of characters used to identify an abstract or physical resource; Name: Uniform Resource Identifier (Manufacturer)
Description: Fully qualified domain name of the manufacturer of a product using a universal resource identifier (URI); Name: URI of manufacturer
Description: ten times the logarithm to the base 10 of the ratio of the sound power of a source, p, to a reference value, p0, expressed in decibels; Name: sound output level