The user guidance in Part 13 of the ISO 9241 standard describes that the user guidance information should be readily distinguishable from other displayed information and should be specific for the current context of use.
国标ISO 9241第13部分关于用户指南内容描述了用户指南信息应当可以容易地从其他呈现的信息中被分辨出来，同时应当明确为在当前情境下使用。