A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Query - Instruction passed to search engines for searching.It is usually a word or a phrase combined with other syntax order to find web pages. used to pass instructions to a search engine or a directory.
Quality Content - Content that is linkworthy in nature.
Quality Link - Search engines count links votes of trust. Quality links count more than low quality links.