interface level indicator

例句：

1. 1. The new software interface is much more intuitive than the old one.
   新软件的界面比旧的直观多了。
2. 2.The engineers were discussing the design of the new interface for the new product.
   工程师们正在讨论新产品的新界面设计。
3. 3.The new interface has made it easier for users to navigate through the app.
   新的界面使得用户更容易通过应用导航。