| vector | Noun phrase. In mathematics, any ordered list of items represented as a sequential pairing contained in parentheses or braces in 1 or more dimensions. In computer science, vectors are used to perform transformations on large data sets and to map control bits to physical devices. Search engines use vector analysis when processing queries and indexing Web documents. |
| thin content | Content that adds little-to-no value to the visitor. |
| sentiment | How people feel about your brand. |
| dead link | A hyperlink that is broken and directed to a page that no longer exists. Errors like 404 not found, server errors, 500 errors, 403 forbidden, etc. Dead links can have a negative impact on SEO. |
| h6 | The heading element in HTML defines a structure for headings in a document. Starting with H1 as the most important heading, descending to H6, heading tags have been a standard part of HTML since HTML 2.0. |
