What does photo PS mean? What is PS design?

PS, the full name of Adobephotoshop, is a very powerful digital image processing software of Adobe, and it is the cornerstone of all kinds of software in the field of design and painting.

What is the role of 2.2? PS？

PS is not only used to beautify daily photos, advertising photography, graphic design, text typesetting, image creativity, web page making, interface design, UI icons, digital planning and other fields, but also plays an important role.