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

How to add vertical lines to a Word document using Office 365 Your email has been sent The article How to add horizontal lines to a Word 2016 document shows you two ways to add horizontal lines to a ...

Want to change text direction in Excel from vertical to horizontal? This guide describes how to do it in Windows 11/10 using ...

When Word inserts a vertical red line into your margins when you create a new paragraph, it means someone has enabled change tracking in the document. Change tracking is often used with shared ...

How to add a single vertical bar to a Microsoft Excel line chart Your email has been sent There are lots of ways to highlight a specific element in a Microsoft Excel chart. You might add data labels ...