Excite Australia . Search either internationally or only within the .au domain. Ozsearch Web Wombat , another Australian search engine with links to news, weather reports and electronic newspapers world-wide. Search tools are used to search for information on particular topics, from the general, e.g. Physics or Architecture , to the particular, e.g. subnuclear particles or Frank Lloyd Wright . Search engines these scan the Web by keywords, submitted by the user.
Search engines are more up to date, but can be slow and often maddeningly imprecise.
They usually do not map synonyms or alternative spellings. Directories These list Web pages under subject headings, e.g. Economics ortheir subheadings, e.g. Business .