Article: Lay your envelope on a flat surface. Situate the envelope so the envelope flap  faces down, towards the surface of the table, and the front of the envelope faces up, towards you.  The envelope should be oriented long ways left to right, not top to bottom. For example, a standard business envelope measures 4 1/8¨ x 9 1/8¨.  When you begin to label your envelope, the 9 1/8¨ length of the envelope should run from your left to right hand. The front, smooth side of the envelope is where you will write all the information needed to get your envelope to the addressee. , Mrs., Miss, Ms, or title earned in your line of work) and name for the return address. The return address is necessary in the event the mail is undeliverable. If the mail cannot reach its intended destination, the postal service will send it back to you at the location indicated by the return address.  The return address is written in the upper-left corner of the envelope and contains three lines of text. The first line will be your title and name. You should write your complete name legal name. For example, you can write “Mr. Jeremy H. Doe”, or "General Harry Smith". This way, your mail carrier will be able to recognize your name and deliver it to your mailing address by the name indicated on the return address. The second line of text in the upper-left corner will include your street address as given to you by the post office.  Remember to include your apartment number, if you have one.# If you receive mail at a post-office box, print that on the second line. If, for some reason, your city and state information takes up a lot of space (you find yourself writing far out into the middle of the envelope), it is acceptable to write the zip code the fourth line.

What is a summary?
Position the envelope. Print your title (Mr. Print your street address. Print your city, state, and zip code on the third line.