| twitter card | With a Twitter card you can give users a preview of your content with text, images, or videos when you share your content on Twitter. |
| e-commerce | The buying and selling of products, all conducted online. |
| duplicate content | Content that is shared between domains or between multiple pages of a single domain. |
| fuzzy point | Noun phrase. The approximate state of knowledge where the information about a documents indexing status and information about the number of queries to which the document is relevant are approximately equal. |
| seo agency | A business that conducts SEO for clients |
