Big programs contain lots of individual source files, so IDEs allow programmers to organize and efficiently navigate everything.

大型程序包含许多单独的源文件，因此 IDE 允许程序员组织和有效地导航所有内容。

A " cabinet, " here, is a piece of furniture; a " filing cabinet" usually is made of metal or wood and has large drawers where you put the individual files.

这里的“橱柜” 是一件家具；“文件柜” 通常由金属或木头制成， 带有大抽屉， 您可以在其中放置各个文件。