# Overview
Our documentations in this section is tailored toward the end-user. Developers
can skip this section and visit the development section.
In this section, we explore various core functionalities and use cases that `OHIF viewer`
provides. In order to follow the guides below, you need to have a running instance
of the viewer.


- [Study List](./studyList/index.md)
  - [Filters](./studyList/index.md#filters)
  - [Study Summary](./studyList/index.md#study-summary)
  - [Study-specific modes](./studyList/index.md#study-specific-modes)
- [Viewer (Basic Viewer)](./viewer/index.md)
  - [Overview](./viewer/index.md#overview)
  - [Study Panel](./viewer/studyPanel/study-panel.md#overview)
  - [Measurement Panel](./viewer/measurementPanel/measurement-panel.md#overview)
  - [Viewport](./viewer/viewport/viewport.md#overview)
  - [Toolbar](./viewer/toolbar/toolbar.md#overview)
  - [HotKeys](./viewer/hotkeys/hotkeys.md#overview)