Q:
  What is `...`?

A:
  A `...` is a `...`. It has the following features:

  [Feature A]
    [*Aspect one] Firstly, ...
    [*Aspect two] Secondly, ...

  [Feature B]
    It also ...

Q:
  Can you provide some examples for `...`?

A:
  Certainly. There are many types of `...`, for example:
    [*] *emphasized*
    [*] **bold**
    [*] ***bold and emphasized***