| marketing agency | A business that conducts marketing for clients |
| content marketing | Content marketing involves the creation and distribution of content as part of a marketing strategy, usually designed to attract new customers. |
| niche | A specific market or area of interest consisting of a small group of highly-passionate people. |
| outbound links | Links on a particular web page leading to other web pages, whether they are within the same web site or other web sites. |
| purchased links | Exchanging money, or something else of value, for a link. If a link is purchased, it constitutes an advertisement and should be treated with a nofollow tag so that it does not pass PageRank. |