ISO/IEC指南99:2007以英语和法语为计量学中使用的基本和一般概念系统提供了一套定义和相关术语，以及演示其关系的概念图。在许多定义下，其他信息以示例和注释的形式给出。 本词汇表旨在为参与测量计划或执行的科学家、工程师、教师和从业者提供通用参考，无论测量不确定度水平如何，也无论应用领域如何。它还将作为政府和政府间机构、行业协会、认证机构、监管机构和专业协会的参考。

ISO/IEC Guide 99:2007 provides a set of definitions and associated terms, in English and French, for a system of basic and general concepts used in metrology, together with concept diagrams to demonstrate their relations. Additional information is given in the form of examples and notes under many definitions. This Vocabulary is meant to be a common reference for scientists and engineers, as well as teachers and practitioners, involved in planning or performing measurements, irrespective of the level of measurement uncertainty and irrespective of the field of application. It is also meant to be a reference for governmental and inter-governmental bodies, trade associations, accredi-tation bodies, regulators and professional societies.