| 1. | SEM | Search Engine Marketing; encompasses SEO and further marketing methods, eg. paid advertising options. |
| 2. | SEO | Search Engine Optimisation. |
| 3. | SERPS | Search Engine Ranking Positions – refers to the natural search results |
| 4. | Search engine | strictly, the programme(s) used to provide internet users with a search facility. Nowadays, the megacorporation that owns same. |
| 5. | Search engine friendly | a web page designed and optimized for high search engine rankings. Such pages are rich in keywords and structured for ease of crawling. |