This is sound, again, you can see what sliders look like here, pop up lists, checkboxes, you know, radio buttons checkboxes.

这是声音控制面板，你同样可以看到滑块，弹出列表，复选框，单选框。

It also offered a basic set of widgets, reusable graphical building blocks...things like buttons, checkboxes, sliders, and tabs which were also drawn from real world objects to make them familiar.

它还提供了一组基本的小部件、可重复使用的图形构建块… … 诸如按钮、复选框、滑块和选项卡之类的东西， 它们也是从现实世界的对象中提取出来的， 以使它们更加熟悉。