1, draw a rectangle first.

2. Draw two straight lines.

Draw a straight line.

4. Draw another straight line.

5. Finally, color the envelope pink.

Envelope generally refers to a kind of bag-like packaging that people use to send letters and keep the contents of letters confidential. Envelopes are usually made into rectangular paper bags It also refers to the envelope basin (Sichuan basin), the book Envelope published by Yilin Publishing House, and Trojan envelopes, such as QQ envelopes.

General envelope format: generally, there are four horizontal lines, and postal code boxes are filled in the upper left corner and the lower right corner. In the box in the upper left corner, we need to fill in the postal code of the other party, that is, who you want to send the letter to, just fill in their local postal code. If you don't fill it in or fill it in incorrectly, you can send it as long as the address is correct.

In ancient times, it refers to the person who delivers letters to the post office; Formerly a post office, it was sent to various places to deliver letters to recipients.

It is a profession, a unified team, employed by the post office and written in primary school textbooks. The public's impression is that it is best to be a healthy male postman, because he has to carry a big package every day, and there are urgent passwords about the postman, such as "Uncle Postman is very skilled in delivering letters and delivers them quickly".

The postman's task is to receive and deliver all kinds of mail. At that time, it was mainly running around on two legs, delivering letters from morning till night; Later, it developed into bicycle delivery, and when it came to telegrams and express mail, it was necessary to ride motorcycles.