I also mentioned that the Indo-Europeans always made pictorial representations or sculptures of their gods.

我还提到，印欧人总是为他们的神制作图画或雕塑。

That's why interfaces use icons – pictorial representations of functions – like a trash can for where files go to be deleted.

这就是界面使用图标（功能的图形表示）的原因，就像垃圾桶一样用于删除文件。

And this gives me a nice kind of pictorial representation of each of my subjects, each of the topics within those subjects, and how well I know those things.

这给了我一个很好的图像来代表我的每个科目，这些科目中的每个主题，以及我对这些内容的了解程度。

It's really really simple, but like it gives you a really nice pictorial representation of where you are for each of your subjects, I think that's really really important and it works very well for me.

这真的很简单，但是它会让你有一个非常好的图片来展示你每个科目的进度，我认为这真的很重要，对我来说效果很好。