Tooltip text, when you highlight this option, reads, "Line. Insert a line chart. Line charts are used to display trends over time." Excel pastes your chart into a blank part of the worksheet.

In Microsoft Excel, to draw attention to a specific marker in a line chart, drop in a thin line, think of it as a marker.

Learn how to insert a diagonal line to a cell in Microsoft Excel and Google Sheets using the Border feature, Drawing tool, Sparkline function, etc.