They form a directorytree, starting at the root node.
它们形成一个目录树,从根节点开始。
2
A UCM component is simply a directorytree made up of files and directories that has one component root directory.
一个UCM构件简单来说,是一个由同一个构件根目录下的文件和目录组成的目录树。
3
Imagine a scenario in which you want to traverse a directorytree recursively, stopping at each file and directory under that tree and having your own callback methods invoked for each entry found.