KD: keyword difficulty. (Estimated) KWinTitles%: Keyword percent to google first-page results titles. AvgPgBL: Average backlinks of top three pages in google first-page results. AvgDnBL: Average backlinks of top three domains in google first-page results. Adwords: Is the google results page contains AdWords ads? True if yes, False if not. TopStories: Is the google results page contains Top Stories? True if yes, False if not. PeopleAlsoAsk: Is the google results page contains People Also Ask? True if yes, False if not. ImagesPack: Is the google results page contains Images Pack? True if yes, False if not. VideosList: Is the google results page contains a Videos List? True if yes, False if not. ShoppingList: Is the google results page contains Shopping List? True if yes, False if not.