What did the red flag mean at the Alamo battle?

At the Battle of the Alamo, the red flag symbolized a declaration of no surrender. It signified that the defenders of the Alamo, primarily Texian forces, were prepared to fight to the death against the Mexican army led by General Santa Anna. This bold stance underscored their determination to resist and ultimately contributed to the Alamo's legacy as a symbol of bravery and sacrifice in the fight for Texas independence.