basic document element

基本解释

A basic XML document is simply an XML element that can, but might not, include nested XML elements.
一个基本的XML文档简单到一个XML元素就可以完成，也可以是复杂的嵌套XML元素。
rushpaladin.blog.163.com
With a basic class-to-element mapping, you're ready to start mapping fields of the book class to specific elements within the XML document.
有了基本的类到元素的映射之后，就可以开始把 Book 类的字段映射到 XML 文档中的特定元素。
AXIOM provides some basic methods for modifying an existing document component (such as OMElement.setText() to set the content of an element to a text value).
AXIOM 为修改现有的文档部分提供了一些基本的方法（如 OMElement.setText() 可用于将元素的内容设置为一个文本值）。