Qualifier

Data element whose value is expressed as a code that gives specific meaning to the function of another data element or a segment.

Quality (ISO 8402)

Totality of features and characteristics of a product or service that bear on its ability to satisfy stated or implied needs. Note: The ISO 9000 standards on quality management and quality assurance consist of 4 standards: 9000 guidelines for selection and use, 9001 model for quality assurance in design/development, 9002 model for quality assurance in production and installation, 9003 model for quality assurance in final inspection and test, and 9004 guidelines for quality management and quality system elements.

Quality Assurance (ISO 8402)

All those planned and systematic actions necessary to provide adequate confidence that a product or service satisfies given requirements for quality.

Quality Control (ISO 8402)

Operational techniques and activities that are used to fulfil requirements for quality.

Quantity Charge

Unit rate which is lower than the normal rate and applies to shipments meeting specific weight requirements (air cargo).

Quantity Discount

Proportional reduction of a rate based on quantity (air cargo).
Normal Charge

Quarantine

Period during which an arriving vessel, including its equipment, cargo, crew or passengers, suspected to carry or carrying a contagious disease is detained in strict isolation to prevent the spread of such a disease.

Quay

That part of a wharf which is intended for the mooring of vessels.
Synonym: Pier Wharf

Queue Time

Waiting Time

Quotas

System of controlling imports, exports or production by specifying a certain limitation.

Quotation

Free offer to sell goods at a stated price and under specified conditions.

Quotation Expiration Date

Date from which a quotation price is no longer valid.