diff --git a/packages/types/src/config.ts b/packages/types/src/config.ts
new file mode 100644
index 0000000..50d6a2f
--- /dev/null
+++ b/packages/types/src/config.ts
@@ -0,0 +1,18 @@
+import type { IParagraphStyleOptions } from 'docx'
+
+// Normal paragraphs.
+export type ThemeKey = 'normal' |
+// Heading.
+'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'h7' | 'h8' | 'h9' |
+// Table header and imageFooter.
+'tableHeader' | 'imageFooter' |
+// Title, subtitle, and cover info.
+'title' | 'subtitle' | 'coverInfo' |
+// Content and abstract.
+'contentTitle' | 'abstractTitle' | 'keywords' |
+// Code, mark.
+'code' | 'mark'
+
+export interface ThemeConfig extends IParagraphStyleOptions {
+  id: ThemeKey
+}
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index c9f6f04..a7ad1e2 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1 +1,2 @@
 export * from './types'
+export * from './config'
diff --git a/packages/types/src/types.ts b/packages/types/src/types.ts
index 465df98..a6c6a78 100644
--- a/packages/types/src/types.ts
+++ b/packages/types/src/types.ts
@@ -1,3 +1,5 @@
+import type { IRunOptions } from 'docx'
+
 export interface ReportConfig{
   title: string
   logo?: string
@@ -11,4 +13,28 @@ export interface ReportConfig{
 export interface ReportMarkdown{
   raw: string
   frontmatter: ReportConfig
+  content: ReportMarkdownSection[]
+}
+
+export type MarkdownItTokenType = 'strong_open' | 'em_open' | 's_open' | 'mark_open' | 'html_inline' | 'text' | 'code_inline'
+
+export interface ContentBase{
+  type: string
+  children?: ContentBase[]
+}
+
+export interface ReportMarkdownSection extends ContentBase {
+  type: 'section'
+  children: ReportMarkdownParagraph[]
+}
+
+export interface ReportMarkdownParagraph extends ContentBase{
+  type: 'paragraph' | 'heading'
+  children: ReportMarkdownParagraphChild[]
+  level?: number
+}
+
+export interface ReportMarkdownParagraphChild extends ContentBase{
+  type: 'text' | 'image'
+  config: IRunOptions
 }