Specifying an Aside

Sometimes you have a section of content that is tangentially related to the main content on your page but that could stand on its own Image. How would you indicate that semantically?

Image This aside, featuring information about Barcelona’s architectural wonders, is tangentially related to the Antoni Gaudí content that’s the focus of the page, but it could also stand on its own. I could have nested it within the article since they are related, but I decided to put it after the article in order to treat it visually later like a sidebar ...

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