Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to ...

Format the line, if desired, by clicking it. When the orange Drawing Tools tab pops up, click the "Shape Outline" button to pick a new color for the horizontal line instead of Word's default black.

How to insert a line in Word by drawing You can also make a line using Word's drawing tools. 1. Click Insert in the ribbon tabs and then, in the Illustrations section, click Shapes. 2. In the ...