| authority site | An authority site is a particularly high quality website. An authority site could technically be a commercial website that is the authority on a topic, though for many SEOs in certain contexts (ie for the purposes of writing an article) an authority site is generally considered to be either governmental, an association, or otherwise neutral from a commercial perspective. |
| google bomb | A practice intended to make a website rank number one for a surprising or controversial search phrase. This was accomplished by having a large number of websites link to a certain webpage with specific anchor text to help it rank for that term. |
| paid seo tools | SEO Tools that have a cost. |
| disavow links | Disavowing links is the process of telling Google that you do not want the links to count towards your site. For example if you feel that the links are spammy, or that they had been purchased as part of a previous SEO campaign and you need to now tidy them up. You can disavow links via the Disavow tool in Search Console. |
| dofollow | A link thats without a no-follow rel attribute and therefore passes link juice/equity. |