The Arrow drawing tool is used simply to point out features of the chart, typically either price movements or indicator/study movements.
In Style property dialog it is possible to change the appearance of an Arrow:
Sets the color, opacity, thickness and style of an arrow's line. The second drop-down menu contains options of setting the line style and extending one or both arrow's ends to infinity. Also, in the last two drop-downs of Line, an arrow-shaped end may be set instead of a normal one for the left and right ends of the line.
Show Middle Point
Toggles the visibility of the arrow line's mid-point.
Checkboxes Show Price Range, Bars Range, Date/Time Range, Show Distance, Show Angle allow to display the text with the relevant information beside the Arrow on a chart. Stats Text Color drop-down menu allows to change the color, font type and font size for this text. Position for this text is to be selected in Stats Position drop-down menu.
Show Price Range
Toggles the visibility of text displaying the price range between the arrow line's two points.
Show Bars Range
Toggles the visibility of text displaying the number of bars between the arrow line's two points.
Show Date/Time Range
Toggles the visibility of text displaying the date/time range between the arrow line's two points.
Toggles the visibility of text displaying the specific distance (in terms of periods) between the arrow line's two points.
Toggles the visibility of text displaying the inclination angle of the arrow (in degrees) It enabled by default.
Always Show Stats
If this checkbox is not selected, Stats Text will appear beside only when the arrow is selected by mouse click.
In Coordinates properties dialog you can set precisely the position of the arrow's end points on the price scale (by setting the price) and the time scale (by setting the bar number):
Allows for the precise placement of the arrow's first point (Price 1) using a bar number and price.
Allows for the precise placement of the arrow's second point (Price 2) using a bar number and price.
In visibility properties dialog you can switch displaying of the Arrow on charts of different timeframes:
It is possible to set an alert to get notified about a series crossed the Arrow on a chart. Use the clock icon in floating drawing toolbar or in right click menu on the Arrow itself:
Then select a condition, periodicity and preferable method of notification, edit notification message if you wish, and press Create: