1. Simple Search

1.1. Keywords
1.2. Spelling
1.4. Wild cards
1.5. The query and boolean operators

2. Advanced Search

2.2. Words to exclude
2.3. Exact phrase and distance
2.4. Grammatical forms ("inflections")
2.5. Wild cards
2.6. Paging
2.7. Filter by languages
2.8. Filter by dates
2.9. Filter by sizes
2.9. Filter by formats
2.10. Filter by location
2.11. Filter by folders
2.12. Filter on databases

3. Display of search results

3.1. The presentation of results
3.2. Information about documents: display options
3.3. Sorting results by relevance
3.4. Display of individual documents
3.5. Navigation through the result list