Trend Line
It represents a line drawn between two points chosen on the graph. To add the line to the graph, simply click on the position on the graph where you want to place it, hold down the mouse button and move to the second point, and finally release the button. After adding the line to the chart, you can move it by clicking one of the control points 1 of the line itself to select it and then dragging it to the new position while holding down the left mouse button.
Settings
Appearance - Drawing mode settings
Color - Line color
Line Style - Line drawing style
Line Thickness - Line thickness
Control Points - Line control points
Point 1 - First control point of the line
X - Position relative to the X-axis, expressed as a bar number
Y - Position relative to the Y-axis
Point 2 - Second control point of the line
X - Position relative to the X-axis, expressed as a bar number
Y - Position relative to the Y-axis