This document provides guidance on writing different types of emails and letters, including informal emails, more formal emails, and formal letters. It discusses the structure and vocabulary used for different levels of formality in written communications and compares the distinctions between informal versus formal styles. The document also mentions common mistakes to avoid in writing postcards and compares various email and letter formats.

1. Writing Emails or
letters.
Structure and useful vocabulary.

2. Informal email 1

3. Informal email 2

4. Informal letters.
Mistakes Postcard

5. Formal emails

6. More formal emails.

7. Formal letters

8. Compare.

9. Compare.