What is the full form of PS?

PS stands for PostScript

The term postscript is obtained from Latin post scriptum which signifies "composed after". A postscript can be a line or a section added after the marked line. There can be various motivations to add a postscript, for example, to communicate an untimely idea or to give extra data. Along these lines, it is a straightforward method to strengthen your message and upgrade your accommodation. 

The most effective method to add a postscript: 

• It should start with P.S. prior to the message 
• It should be added toward the finish of the letter after the marked line 
• Skirt a line after the marked line to add a postscript 

Spots we need to add a P.S.:-

• Letters 
• Sites 
• Messages 
• Blog/Articles