C# Corner author Aarav Patel breaks down the differences between system-level threads and .NET tasks using a "restaurants and chefs" analogy in this brief post.
.NET tasks are preferred in most situations largely in part due to performance considerations. They also integrate more seamlessly with async/await language constructs, which can mean cleaner code.
"What is the Difference Between Task and Thread in C#?"
https://www.c-sharpcorner.com/article/what-is-the-difference-between-task-and-thread-in-c-sharp2/
