For these levels, the respective tool is able to provide a list of changes at some granularity, whether that is file, package, class, or some finer category.

对于这些层次，个别的工具能够提供某种粒度上的一系列变更，不论是文件、包、类或某些更细粒度的类别。

youdao

This example renames the framework package and adds a bunch of classes, some stereotyped with protocol and category.

在这个例子中我们重命名框架包，并且添加一系列的类，以及协议和类别的原型。

youdao

Click on a plus sign (+) to expand the corresponding category; click a "loop" to cycle between Skip (which omits the package) and all available versions of the respective package.

单击加号(+)展开对应的类别；单击“循环”标志在Skip(忽略此包)和包的所有可用版本之间循环。

youdao

In their attempt to pass a sweeping health care overhaul this weekend, House Democrats are pushing a package of legislative fixes to lure undecided or opposed members of their party to the "yes" category.

NPR: Nine Major Changes In The Democrats' Health Bill