Chapter 3: 1. Gatsby’s extravagant parties: In this chapter, we learn about the lavish parties that Jay Gatsby throws at his mansion every weekend. These parties are filled with music, dancing, and people from all walks of life. It shows how Gatsby tries to create an atmosphere of fun and excitement to impress others.

1. Gatsby’s mysterious background: We also get to know more about Gatsby’s past and how he came to acquire his wealth. There are rumors and speculations about his involvement in illegal activities, but nobody knows the truth. This adds to the mystery surrounding Gatsby’s character.

Chapter 4: 1. Gatsby’s desire for Daisy: In this chapter, we learn about Gatsby’s deep love for Daisy Buchanan, a woman he met years ago and is now determined to win back. Gatsby shares his romantic history with Nick, the narrator, and reveals his hopes and dreams of being reunited with Daisy.

1. The truth about Gatsby’s wealth: Nick attends a luncheon at Daisy’s house, where he meets several wealthy and influential people. He discovers that Gatsby’s wealth is a result of his involvement in illegal activities, such as bootlegging. This revelation adds another layer to Gatsby’s character and raises questions about the morality of his actions.

Chapter 5: 1. Gatsby and Daisy’s reunion: In this chapter, Gatsby and Daisy finally reunite after years of being apart. Their meeting is filled with tension and excitement as they try to recapture the love they once had. Gatsby goes to great lengths to impress Daisy, showing off his luxurious mansion and throwing extravagant parties.

1. The symbolism of the green light: Throughout the chapter, the green light at the end of Daisy’s dock is mentioned several times. This green light represents Gatsby’s hopes and dreams of being with Daisy. It symbolizes his longing for a better future and his relentless pursuit of the American Dream.

Overall, these chapters explore themes of love, wealth, and the pursuit of dreams. They introduce us to the enigmatic character of Jay Gatsby and his desire to win back the love of his life, Daisy Buchanan.