Concept:Personal letters use an informal, friendly tone.
Explanation:Personal letters are written to close friends or family members.
So the language is relaxed, warm, and conversational.
This style helps express emotions and personal experiences naturally.
Personal letters do not follow strict formal rules like official letters.
Formal and dignified language is used for business or official correspondence.
Accurate and precise language suits technical or academic writing.
Intimidating and informal language is always avoided as it creates discomfort.
Answer:Option A — casual and conversational.