ISO 9241-11:2018为理解可用性概念提供了一个框架，并将其应用于人们使用交互系统和其他类型系统（包括构建环境），产品（包括工业和消费产品）和服务（包括技术和个人服务）。 注:在本文件中，“感兴趣的对象”一词是指正在考虑使用可用性的系统，产品或服务（见8.1）。 ISO 9241-11:2018: - 解释说可用性是使用的结果; - 定义关键术语和概念; - 确定可用性的基础;和 - 解释了可用性概念的应用。 ISO 9241-11:2018未描述在设计开发或评估中考虑可用性的具体过程或方法。 本文档的预期用户包括: - 可用性/人体工程学/人为因素专业人士; - 系统，产品和服务的设计者和开发者; - 质量保证人员; - 公共和公司采购者;和 - 消费者组织。 本文档最常见的应用是设计和评估。

ISO 9241-11:2018 provides a framework for understanding the concept of usability and applying it to situations where people use interactive systems, and other types of systems (including built environments), and products (including industrial and consumer products) and services (including technical and personal services). NOTE In this document, the phrase "object of interest" refers to the system, product or service for which usability is being considered (see 8.1). ISO 9241-11:2018: - explains that usability is an outcome of use; - defines key terms and concepts; - identifies the fundamentals of usability; and - explains the application of the concept of usability. ISO 9241-11:2018 does not describe specific processes or methods for taking account of usability in design development or evaluation. The intended users of this document include: - usability/ergonomics/human factors professionals; - designers and developers of systems, products and services; - quality assurance personnel; - public and corporate purchasers; and - consumer organizations. The most common applications of this document are in design and evaluation.