By terms you specify in upper search box on Advanced screen. Upper box searches on body of documents retrieved with Boolean logic in larger, lower box on Advanced screen. Click on Location, Media Type, or Page Type. In LycosPro can direct search to URL, titles, entire documents, or selected website. Feature often fails.
Upper case retrieves only matching upper case.
Lower case retrieves either lower or upper case. Also accent and character sensitive. Other upper case ignored. Upper case ignored. Upper case ignored.