Every Keyword is a Search Query but NOT every Search Query is a Keyword. Query is any term real-human inputs on Google search. It can have misspellings, grammar errors, unparliamentary terms, etc. Keyword is a filtered term, having some search volume and marketing relevancy. Keywords are used by marketers and SEO executives in strategizing the campaigns. Terms appear on Google's auto-complete are keywords. E.g., dolchie gabana, Dolce and Gabbana and people are nuts about it, Dolce and Gabbana online store (search queries) E.g., Dolce and Gabbana (keyword)