What type of themes can samba schools use in their perfomance and how do they explain them?

Samba schools often choose themes that reflect cultural, historical, social, and political narratives, incorporating elements from Brazilian folklore, mythology, and current events. These themes are typically explained through elaborate floats, costumes, and choreography, which convey a cohesive story or message to the audience. Schools may also include symbolic references and artistic interpretations that resonate with the community, making the performance not just a celebration but also a form of storytelling and cultural expression. Each performance culminates in a grand presentation that highlights the theme's significance and relevance to Brazilian identity.