Asides provide an easy way to represent content that is only indirectly related to the article’s main content.
Where supported, MyST will attempt to display an {aside} as close as possible to—but separate from—the main article, such as in the side-margin.
:::{aside} Margin Content
Here’s some margin content! It was created by using the {myst:directive}`margin` directive in a Markdown, we can include images:

or any other sort of content!
:::You can also refer to this directive using {margin} or {sidebar}, which will have slightly different classes applied in the future.
Topics
A topic is like a block quote with a title, or a self-contained section.
Use the “topic” directive to indicate a self-contained idea that is separate from the flow of the document.
Semantically, this is an <aside>.
:::{topic} This is an optional topic title
This is a topic, with standalone ideas.
:::