Commonly Used Abbreviations that can be included in a book "Words That Stay: A Guide to Personal Letter Writing":

Here is a list of commonly used abbreviations that can be included in a book "Words That Stay: A Guide to Personal Letter Writing":

---

Abbreviations Used in This Book

Abbreviation	Full Form	Description
Addr.	Address	Used in sample letters to indicate address lines.
Apt.	Apartment	Common in residential address formats.
c/o	Care Of	Used when sending a letter through another person.
DOB	Date of Birth	May appear in personal or official letters.
e.g.	Exempli gratia (for example)	Used in explanations or sample sentences.
etc.	Et cetera (and so on)	Indicates more items of a similar kind.
i.e.	Id est (that is)	Used to clarify or explain.
Pvt.	Private	Used for private companies or addresses.
PIN	Postal Index Number	Indian postal code, often used in addresses.
Ph.	Phone	Contact number in letter headers.
PO	Post Office	Address component.
PS	Postscript	Additional note added after the signature in a letter.
Rd.	Road	Common in address lines.
Ref.	Reference	Indicates reference to previous communication.
Res.	Residence	Used in personal information.
S/o, D/o, W/o	Son of, Daughter of, Wife of	Used in traditional formats in India.
Tel.	Telephone	Alternate to "Ph."
vs.	Versus	Used in comparison or legal context.
ZIP	Zone Improvement Plan	U.S. postal code system.

---