The second is what we call “interaction data.” This is data about an individual’s engagement with { -brand-name-firefox }, such as the number of tabs that were open, the status of user preferences, or number of times certain browser features were used, such as screenshots or containers. For example, we collect this data through the back button (that arrow in the upper left corner of your browser that lets you navigate back to a previous webpage) in a way that shows us someone used the back button, but doesn’t tell what specific webpages are accessed.

第二类是我们所说的“交互数据”。这是关于个人与 { -brand-name-firefox } 的交互情况的数据，例如打开的标签页数量、用户偏好设置状态，或某些浏览器功能（例如屏幕截图和身份标签页）的使用次数。举例来说，我们会通过后退按钮（即浏览器左上角可让您回到之前浏览的网页的箭头）来收集此类数据，这样我们就可以得知有人点击了后退按钮，但并不知晓访问了哪些特定网页。