What were the flashbacks in The Notebook?

In "The Notebook," flashbacks are used to depict the love story between Noah and Allie, showcasing their passionate summer romance in the 1940s. These flashbacks contrast the present-day scenes of an elderly Noah reading their story to Allie in a nursing home, who suffers from Alzheimer's disease. The narrative shifts between their youthful experiences and the poignant moments of their later years, emphasizing the enduring nature of their love despite the challenges of time and memory. Ultimately, these flashbacks serve to illustrate the depth of their connection and the impact of their shared past.