本文件介绍了认知可访问系统的设计和开发指南， 包括产品和服务以及构建的环境。 本文件适用于主流系统以及专门为患有抑郁症的人设计的系统 残疾 在可访问性的广泛领域内，本文件仅限于与认知能力相关的指导 可访问性。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document presents guidelines for the design and development of cognitively accessible systems, including products and services and built environments. This document is relevant to mainstream systems as well as those designed specifically for people with disability. Within the broad field of accessibility, this document is limited to guidance related to cognitive accessibility.All current amendments available at time of purchase are included with the purchase of this document.