Measured in terms of line or vessel balance. With stable flow rate, volume in equals volume out, and an even pack exists throughout.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Measure of accuracy and completeness with which users achieve specified goals.
Source: IMO MSC.1/Circ.1512, Guideline on Software Quality Assurance and Human-Centred Design for e-navigation, 8 June 2015, International Maritime Organization. Regulatory Guidance
Extent to which planned activities are realized and planned results achieved.
Source: ISO/IEC 27000:2014, Information technology — Security techniques — Information security management systems — Overview and vocabulary, Third Edition, January 2014. Global Standards