What is the difference between a formal letter and a casual letter?

Formal letter:

• Uses formal language and a polite tone.
• Avoids contractions and slang.
• Uses a formal salutation and closing.
• Is typically longer and more complex.
• Is used for official purposes, such as business, government, or academic settings.

Casual letter:

• Uses informal language and a more relaxed tone.
• Includes contractions and slang.
• Uses a casual salutation and closing.
• Is typically shorter and simpler.
• Is used for personal communication, such as between friends, family, or colleagues.

Here is a table summarizing the key differences between formal and casual letters:

| Feature | Formal Letter | Casual Letter | |---|---|---| | Language | Formal | Informal | | Tone | Polite | Relaxed | | Contractions | No | Yes | | Slang | No | Yes | | Salutation | Formal salutation | Casual salutation | | Closing | Formal closing | Casual closing | | Length | Longer | Shorter | | Purpose | Official | Personal |