Search engine
a search engine is an automatic system that analyzes a set of data (often collected by itself) and returns an index of the available content
en-US/ˈsɝt͡ʃ ˈɪnd͡ʒən/
en-GB/ˈsɜːt͡ʃ ˈɛnd͡ʒɪn/
a search engine is an automatic system that analyzes a set of data (often collected by itself) and returns an index of the available content