diff --git a/ansi/baseelement.go b/ansi/baseelement.go
index ad1ed25..55d9f83 100644
--- a/ansi/baseelement.go
+++ b/ansi/baseelement.go
@@ -13,6 +13,7 @@ import (
 	"github.com/lucasb-eyer/go-colorful"
 )
 
+// BaseElement renders a styled primitive element.
 type BaseElement struct {
 	Token  string
 	Prefix string
diff --git a/ansi/blockelement.go b/ansi/blockelement.go
index 5b46d6c..ed5659a 100644
--- a/ansi/blockelement.go
+++ b/ansi/blockelement.go
@@ -7,6 +7,9 @@ import (
 	"github.com/muesli/reflow/wordwrap"
 )
 
+// BlockElement provides a render buffer for children of a block element.
+// After all children have been rendered into it, it applies indentation and
+// margins around them and writes everything to the parent rendering buffer.
 type BlockElement struct {
 	Block   *bytes.Buffer
 	Style   StyleBlock
diff --git a/ansi/blockstack.go b/ansi/blockstack.go
index 3663988..e4ea2c0 100644
--- a/ansi/blockstack.go
+++ b/ansi/blockstack.go
@@ -4,6 +4,8 @@ import (
 	"bytes"
 )
 
+// BlockStack is a stack of block elements, used to calculate the current
+// indentation & margin level during the rendering process.
 type BlockStack []BlockElement
 
 func (s *BlockStack) Len() int {
diff --git a/ansi/codeblock.go b/ansi/codeblock.go
index b00a07e..8344091 100644
--- a/ansi/codeblock.go
+++ b/ansi/codeblock.go
@@ -10,6 +10,7 @@ import (
 	"github.com/muesli/reflow/indent"
 )
 
+// CodeBlockElements are used to render code blocks.
 type CodeBlockElement struct {
 	Code     string
 	Language string
diff --git a/ansi/context.go b/ansi/context.go
index 3610a6e..ee3c2eb 100644
--- a/ansi/context.go
+++ b/ansi/context.go
@@ -7,6 +7,7 @@ import (
 	"github.com/microcosm-cc/bluemonday"
 )
 
+// RenderContext holds the current rendering options and state.
 type RenderContext struct {
 	options Options
 
@@ -16,6 +17,7 @@ type RenderContext struct {
 	stripper *bluemonday.Policy
 }
 
+// NewRenderContext returns a new RenderContext.
 func NewRenderContext(options Options) RenderContext {
 	return RenderContext{
 		options:    options,
@@ -25,6 +27,7 @@ func NewRenderContext(options Options) RenderContext {
 	}
 }
 
+// SanitizeHTML sanitizes HTML content.
 func (ctx RenderContext) SanitizeHTML(s string, trimSpaces bool) string {
 	s = ctx.stripper.Sanitize(s)
 	if trimSpaces {
diff --git a/ansi/elements.go b/ansi/elements.go
index 8da938d..108d1ac 100644
--- a/ansi/elements.go
+++ b/ansi/elements.go
@@ -10,14 +10,18 @@ import (
 	astext "github.com/yuin/goldmark/extension/ast"
 )
 
+// ElementRenderer is called when entering a markdown node.
 type ElementRenderer interface {
 	Render(w io.Writer, ctx RenderContext) error
 }
 
+// ElementFinisher is called when leaving a markdown node.
 type ElementFinisher interface {
 	Finish(w io.Writer, ctx RenderContext) error
 }
 
+// Elements are used to instruct glamour how to render individual markdown
+// nodes.
 type Element struct {
 	Entering string
 	Exiting  string
@@ -25,6 +29,7 @@ type Element struct {
 	Finisher ElementFinisher
 }
 
+// NewElement returns the appropriate render Element for a given node.
 func (tr *ANSIRenderer) NewElement(node ast.Node, source []byte) Element {
 	ctx := tr.context
 	// fmt.Print(strings.Repeat("  ", ctx.blockStack.Len()), node.Type(), node.Kind())
diff --git a/ansi/heading.go b/ansi/heading.go
index 919f5a5..7d8e5ad 100644
--- a/ansi/heading.go
+++ b/ansi/heading.go
@@ -9,6 +9,7 @@ import (
 	"github.com/muesli/reflow/wordwrap"
 )
 
+// HeadingElements are used to render headings.
 type HeadingElement struct {
 	Level int
 	First bool
diff --git a/ansi/image.go b/ansi/image.go
index a4bb665..a1104d3 100644
--- a/ansi/image.go
+++ b/ansi/image.go
@@ -4,6 +4,7 @@ import (
 	"io"
 )
 
+// ImageElements are used to render images elements.
 type ImageElement struct {
 	Text    string
 	BaseURL string
diff --git a/ansi/link.go b/ansi/link.go
index 02f3635..ad0e347 100644
--- a/ansi/link.go
+++ b/ansi/link.go
@@ -4,6 +4,7 @@ import (
 	"io"
 )
 
+// LinkElements are used to render hyperlinks.
 type LinkElement struct {
 	Text    string
 	BaseURL string
diff --git a/ansi/listitem.go b/ansi/listitem.go
index 8ef8622..c47ac80 100644
--- a/ansi/listitem.go
+++ b/ansi/listitem.go
@@ -5,6 +5,7 @@ import (
 	"strconv"
 )
 
+// ItemElements are used to render items inside a list.
 type ItemElement struct {
 	Enumeration uint
 }
diff --git a/ansi/paragraph.go b/ansi/paragraph.go
index 5cd134e..d08b08d 100644
--- a/ansi/paragraph.go
+++ b/ansi/paragraph.go
@@ -8,6 +8,7 @@ import (
 	"github.com/muesli/reflow/wordwrap"
 )
 
+// ParagraphElements are used to render individual paragraphs.
 type ParagraphElement struct {
 	First bool
 }
diff --git a/ansi/renderer.go b/ansi/renderer.go
index 2d698ca..4656fd3 100644
--- a/ansi/renderer.go
+++ b/ansi/renderer.go
@@ -18,11 +18,12 @@ type Options struct {
 	Styles   StyleConfig
 }
 
+// ANSIRenderer renders markdown content as ANSI escaped sequences.
 type ANSIRenderer struct {
 	context RenderContext
 }
 
-// NewANSIRenderer returns a new ANSIRenderer with style and options set.
+// NewRenderer returns a new ANSIRenderer with style and options set.
 func NewRenderer(options Options) *ANSIRenderer {
 	return &ANSIRenderer{
 		context: NewRenderContext(options),
diff --git a/ansi/table.go b/ansi/table.go
index 0cc49be..31bfc5c 100644
--- a/ansi/table.go
+++ b/ansi/table.go
@@ -8,6 +8,7 @@ import (
 	"github.com/olekukonko/tablewriter"
 )
 
+// TableElements are used to render tables.
 type TableElement struct {
 	writer      *tablewriter.Table
 	styleWriter *StyleWriter
diff --git a/ansi/task.go b/ansi/task.go
index 327c3b2..bb88ae8 100644
--- a/ansi/task.go
+++ b/ansi/task.go
@@ -4,6 +4,7 @@ import (
 	"io"
 )
 
+// TaskElements are used to render tasks inside a todo-list.
 type TaskElement struct {
 	Checked bool
 }