When you await an asynchronous function, the execution of the code within the caller suspends while the async operation is executed . When the operation is completed, the value of what was awaited is contained within a Future object.
Read moreWhy we use async and await in flutter?
Async and Await keywords are used to provide a declarative way to define the asynchronous function and use their results . The async keyword is used when we want to declare a function as asynchronous and the await keyword is used only on asynchronous functions.
Read more