What does ps mean?

Adding PS at the end of the sentence indicates supplement and additional meaning,

Is the abbreviation of postscript (remark, which can also be interpreted as postscript and postscript)

It is also a famous professional image processing software, which is used by almost all advertising companies and graphic design companies, photoshop.

PS refers to Sony's play station, and its subsequent versions include PS2 and PSP. PS3；

PS refers to politics, that is, "politics", which is a branch of science;

PS refers to polystyrene, which is a thermoplastic synthetic resin. Its biggest application field is the electronic/electrical appliance industry. ...