| short tail keywords | Search phrases that consist of only one word that are less specific to a searchers context and intent when entering a query. |
| recursive | Adjective. Having the quality or state or nature of recursion (q.v.). A process which calls or invokes itself as a sub-process. The invocation chain is terminated by any iteration that can only produce a null or null-like value. |
| microsoft network | (MSN) Search engine created by Microsoft. Was re-launched in 2006 as Live Search http://www.live.com |
| brand stacking | Branded search queries will display multiple page one results from the same domain. This was an intended change to Googles algorithm. |
| doorway | Noun. A document with a small amount of text (usually coherent but sometimes gibberish) intended to rank well specifically for one targeted expression. In the old days, people created as many doorways as they had targeted keywords and search engines to work with. |
