| Document |
the document itself |
| Document Fragment |
some (or all) of a document |
| Node |
an element, attribute, entity, or text |
| Element |
another element, text, a comment, etc |
| Text |
actual document content |
| Attribute |
name="value" pair such as IMG's 'src' |
| Processing instruction |
instructions for an XML parser |
| Comments |
page-author comments |
| Cdata section |
characters that do not include markup |
| Entity |
a token to be expanded into a replacement string |
| Entity Reference |
the token prefixed with the & character |
| Document Type |
provides collections of entities within that document |