What are three recurring themes in the BOOK of Psalms?

Three recurring themes in the Book of Psalms are lament, praise, and Thanksgiving. Many psalms express deep sorrow and supplication in times of distress, reflecting a heartfelt cry for help. Conversely, numerous psalms celebrate God's greatness, sovereignty, and faithfulness, often culminating in expressions of gratitude for His blessings. Additionally, the themes of trust and hope in God's deliverance are woven throughout, emphasizing reliance on divine support during challenging times.