# Accordion Items | WPF Controls | DevExpress Documentation

[Accordion Items](/WPF/118546/controls-and-libraries/navigation-controls/accordion-control/visual-elements/accordion-item) are main elements within the [AccordionControl](/WPF/DevExpress.Xpf.Accordion.AccordionControl).

This topic contains the following sections:

- Accordion Item Overview
- Accordion Item Elements
- Accordion Item Customization

## Accordion Item Overview

[AccordionItem](/WPF/DevExpress.Xpf.Accordion.AccordionItem) objects represent two types of accordion items:

- **Root items** are top-level accordion items.
- **Subitems** are nested within other items.

![AccordionItems](/WPF/images/accordiontems132068.png)

See the [Adding Accordion Items](/WPF/119831/controls-and-libraries/navigation-controls/accordion-control/accordion-items/adding-accordion-items) topic to learn how to add accordion items at design time and in code.

## Accordion Item Elements

The image below shows accordion item elements:

![AccordionElements](/WPF/images/accordionelements132078.png)

- **Header** - text or content displayed within the accordion item.
- **Glyph** - an image displayed within the accordion item.
- **Expand-Collapse Button** - button that allows [expanding and collapsing](/WPF/119808/controls-and-libraries/navigation-controls/accordion-control/expanding-and-collapsing) the accordion item.

## Accordion Item Customization

The following topics describe how to customize an accordion item:

- [Item Header Customization](/WPF/119847/controls-and-libraries/navigation-controls/accordion-control/accordion-items/item-header-customization)

      Describes how to change an accordion item’s header.
- [Item Glyph Customization](/WPF/119848/controls-and-libraries/navigation-controls/accordion-control/accordion-items/item-glyph-customization)

      Describes how to change an accordion item’s glyph.
- [Item Content Customization](/WPF/119849/controls-and-libraries/navigation-controls/accordion-control/accordion-items/item-content-customization)

      Describes how to change an accordion item’s content.