| Alternative | Node with a fallback. |
| Association | Internal relation from one node to another. |
| BlockContentMap | Registry of all mdast nodes that can occur where BlockContent is expected. |
| Blockquote | Markdown block quote. |
| BlockquoteData | Info associated with mdast block quote nodes by the ecosystem. |
| Break | Markdown break. |
| BreakData | Info associated with mdast break nodes by the ecosystem. |
| CallSite | - |
| Code | Markdown code (flow) (block). |
| CodeData | Info associated with mdast code (flow) (block) nodes by the ecosystem. |
| Comment | HTML comment. |
| CommentData | Info associated with hast comments by the ecosystem. |
| CompileResultMap | Interface of known results from compilers. |
| Data | Info associated with nodes by the ecosystem. |
| Data | Interface of known data that can be supported by all plugins. |
| Data | Info associated with mdast nodes by the ecosystem. |
| Data | Info associated with hast nodes by the ecosystem. |
| DataMap | This map registers the type of the data key of a VFile. |
| Definition | Markdown definition. |
| DefinitionContentMap | Registry of all mdast nodes that can occur where DefinitionContent is expected. |
| DefinitionData | Info associated with mdast definition nodes by the ecosystem. |
| Delete | Markdown GFM delete (strikethrough). |
| DeleteData | Info associated with mdast GFM delete nodes by the ecosystem. |
| Doctype | HTML document type. |
| DoctypeData | Info associated with hast doctypes by the ecosystem. |
| Element | HTML element. |
| ElementContentMap | Registry of all hast nodes that can occur as children of Element. |
| ElementData | Info associated with hast elements by the ecosystem. |
| Emphasis | Markdown emphasis. |
| EmphasisData | Info associated with mdast emphasis nodes by the ecosystem. |
| FootnoteDefinition | Markdown GFM footnote definition. |
| FootnoteDefinitionData | Info associated with mdast GFM footnote definition nodes by the ecosystem. |
| FootnoteReference | Markdown GFM footnote reference. |
| FootnoteReferenceData | Info associated with mdast GFM footnote reference nodes by the ecosystem. |
| Heading | Markdown heading. |
| HeadingData | Info associated with mdast heading nodes by the ecosystem. |
| Html | Markdown HTML. |
| HtmlData | Info associated with mdast HTML nodes by the ecosystem. |
| Image | Markdown image. |
| ImageData | Info associated with mdast image nodes by the ecosystem. |
| ImageReference | Markdown image reference. |
| ImageReferenceData | Info associated with mdast image reference nodes by the ecosystem. |
| InlineCode | Markdown code (text) (inline). |
| InlineCodeData | Info associated with mdast code (text) (inline) nodes by the ecosystem. |
| Link | Markdown link. |
| LinkData | Info associated with mdast link nodes by the ecosystem. |
| LinkReference | Markdown link reference. |
| LinkReferenceData | Info associated with mdast link reference nodes by the ecosystem. |
| List | Markdown list. |
| ListData | Info associated with mdast list nodes by the ecosystem. |
| ListItem | Markdown list item. |
| ListItemData | Info associated with mdast list item nodes by the ecosystem. |
| Literal | Abstract hast node that contains the smallest possible value. |
| Literal | Abstract mdast node that contains the smallest possible value. |
| Map | Raw source map. |
| Node | Abstract unist node. |
| Node | Abstract mdast node. |
| Node | Abstract hast node. |
| Options | Configuration. |
| Paragraph | Markdown paragraph. |
| ParagraphData | Info associated with mdast paragraph nodes by the ecosystem. |
| Parent | Abstract mdast node that contains other mdast nodes (children). |
| Parent | Abstract hast node that contains other hast nodes (children). |
| PhrasingContentMap | Registry of all mdast nodes that can occur where PhrasingContent is expected. |
| Point | One place in a source file. |
| Position | Position of a node in a source document. |
| Properties | Info associated with an element. |
| Reference | Marker that is associated to another node. |
| Resource | Reference to resource. |
| Root | Document fragment or a whole document. |
| Root | Document fragment or a whole document. |
| RootContentMap | Registry of all mdast nodes that can occur as children of Root. |
| RootContentMap | Registry of all hast nodes that can occur as children of Root. |
| RootData | Info associated with mdast root nodes by the ecosystem. |
| RootData | Info associated with hast root nodes by the ecosystem. |
| Settings | Interface of known extra options, that can be supported by parser and compilers. |
| Strong | Markdown strong. |
| StrongData | Info associated with mdast strong nodes by the ecosystem. |
| Table | Markdown GFM table. |
| TableCell | Markdown GFM table cell. |
| TableCellData | Info associated with mdast GFM table cell nodes by the ecosystem. |
| TableData | Info associated with mdast GFM table nodes by the ecosystem. |
| TableRow | Markdown GFM table row. |
| TableRowData | Info associated with mdast GFM table row nodes by the ecosystem. |
| Text | HTML character data (plain text). |
| Text | Markdown text. |
| TextData | Info associated with hast texts by the ecosystem. |
| TextData | Info associated with mdast text nodes by the ecosystem. |
| ThematicBreak | Markdown thematic break (horizontal rule). |
| ThematicBreakData | Info associated with mdast thematic break nodes by the ecosystem. |
| Yaml | Markdown YAML. |
| YamlData | Info associated with mdast YAML nodes by the ecosystem. |