Swift protocols will be introduced as the first means of supporting software modularization in mobile apps. A Swift protocol is a blueprint or interface that defines a set of methods, properties, and requirements that a class, structure, or enumeration can adopt. It provides a way to establish a contract between different types, allowing them to communicate and interact with each other in a consistent manner. Protocols in Swift are used to define common behavior or functionality that can be shared among multiple types, enabling code reuse and promoting modularity. By adopting a protocol, a type guarantees it will implement the required methods and properties defined by the protocol, thereby ensuring a common set of capabilities and enabling polymorphism. You can find additional details regarding Swift Protocols at Swift.org.