The Hand tool allows you to move your image around its window by dragging. This tool is great when navigating while zoomed in.
How to Use the Hand Tool in Photoshop: Beginner's Guide
Tricks of the Hand Tool - Photoshop CC
How To Use The Much-Underrated 'Pen Tool' In Photoshop
How to use hand tool and zoom tool in photoshop
How To Make Colors In Your Image Come To Life In Photoshop
TOOL HAND - その他
How to Use the Hand Tool in Photoshop
How to Use the Sharpen Tool in Photoshop - PHLEARN
How to Use the Healing Brush Tool in Photoshop - PHLEARN
How to Brighten Portraits in Only 2 Minutes in Photoshop