Quick, clean, and to the point

Move one screen left

Windows shortcut 
Mac shortcut 

Moves current selection one screen to the left of the active selection. The distance covered depends on the size of the window.

Your videos are the best one I have seen so far. I use excel in my advanced acc. techniques course and may be coming back to you for some tailored chosen set of videos. - Joanna
Excel foundational video course
Excel Pivot Table video training course
Excel conditional formatting video course
Excel formulas and functions video training course
Excel Shortcuts Video Course