# Overview

(navigation-bar)=
## Navigation Bar

:::{figure-md}
![Navigation Bar Screenshot](img/navigation_bar.png)

Figure: A screenshot of the navigation bar.
:::

Most of the functionality can be accessed from the navigation bar which is shown in the figure above. The burger menu
on the left opens  the navigation menu to select a literary work or navigate home. The icons on the right are explained
below.

:::
### Passage Graph ![Passage Graph Icon](img/passage_chart.svg)
:::

Opens a graph which shows a scatter plot of all passages with the number of citations on the horizontal axis and the number of segments on the vertical axis. More details can be found [here](passage_graph.md).

:::
### Filter ![Filter Icon](img/filter.svg)
:::

Opens the filter to highlight certain passages based on citation and segment count. More details can be found [here](filter.md).

:::
### Help ![Help Icon](img/help.svg)
:::

Opens this documentation.

:::
### Settings ![Settings Icon](img/settings.svg)
:::

Opens the settings menu to turn highlights on/off and modify other aspects of the UI. More details can be found [here](settings.md).

## Segments Graph

The [Segments Graph](segments_graph.md) is a feature which is not accessible from the navigation bar. This graph
is displayed when a passage in source text is selected.