Asynchronous programming is a form of parallel programming that enables you to execute tasks separate from the main application thread and then notifies the thread when its execution is over.

Asynchronous programming allows you to write programs that don’t block on each statement or instruction, meaning the computer can move on to other tasks before waiting for previous tasks to finish. As ...

There's a lot of confusion about async/await, Task/TPL and asynchronous and parallel programming in general, so Jeremy Clark is on a mission to inform developers on how to use everything properly.