my questions:settings in url of default search engine (Google) wrote: {google:baseURL}search?q=%s&{google:RLZ}{google:originalQueryForSuggestion}{google:assistedQueryStats}{google:searchFieldtrialParameter}{google:iOSSearchLanguage}{google:searchClient}{google:sourceId}{google:instantExtendedEnabledParameter}{google:contextualSearchVersion}ie={inputEncoding}
what are they called in programming language? (Bookmarklet?) and where i find more of these settings? i want to learn more of these or options similar to "%s" that are executable with Google Chrome or (or maybe they're accessible in any browser?).
and what's the name of "%s" in general? (what kinda string is that?) TIA