✅ Inform means to give someone facts or information (Please inform the team about the changes). 

✅ Enlighten refers to giving someone greater knowledge or understanding about a subject (The lecture enlightened the audience about the new technology). 

✅ Both words involve providing information, understanding, or knowledge of something.

✅ Inform is used for supplying basic or essential information, while enlighten suggests a deeper, more comprehensive understanding (She informed me of the meeting time; He enlightened us about the significance of prehistoric art).

✅ A messenger refers to a person who carries a message or communication (The messenger delivered the note quickly). 

✅ A courier is a person or service that transports messages, packages, or mail, often rapidly and securely (The courier service guaranteed next-day delivery). 

✅ Both words describe someone who delivers messages or goods. 

✅ Messenger is often used for simple message delivery, while courier implies a more professional or official service, often for transporting items securely (The king's messenger brought news from the battlefield; The courier delivered the documents safely).

✅ Destroy means to damage something so severely that it no longer exists or functions (The storm will destroy the old barn). 

✅ Annihilate implies complete destruction or obliteration, often to the point of non-existence (The army was annihilated by the enemy forces). 

✅ Both words describe the act of causing complete ruin. 

✅ Destroy can be used in everyday contexts to describe various levels of damage, while annihilate suggests a total and utter destruction (The kids accidentally destroyed the model plane; The asteroid could annihilate all life on Earth).