Arc

Application

Allows the user to draw an arc on a chart. A common use case for this feature is highlighting patterns on a chart, for example the cup and handle chart pattern.

Style

In Style property dialog it is possible to change the appearance of an arc:

Border

Sets the color and thickness of an arc border.

Background

Toggles the visibility, color and opacity level of an arc background.

Visibility

In visibility properties dialog you can switch the Arc tool displaying on charts of different timeframes: