In Rust, Traits are used to define shared behavior among different types so that they can be used interchangeably in certain situations. Implementing a trait involves adding the required functions and methods to a type so that the type can be used as if it directly had the functionality of the trait.

To implement a trait, you need to define the trait using the "trait" keyword, then specify the methods that must be implemented for the types that will use the trait. Once the trait has been defined, any type can implement it by providing the required methods.

For example, let's say we define a trait called "Animal" that has a method called "speak". We then have two types, "Dog" and "Cat", that want to implement this trait. To do so, we add the "speak" method to both "Dog" and "Cat" with their own implementation of the method.

Once the trait is implemented, any code that expects an "Animal" can use either a "Dog" or a "Cat" interchangeably since they both have the "speak" method.

Overall, implementing traits in Rust is a powerful technique for creating flexible and reusable code, and a key part of Rust's focus on safe and efficient programming.