The stroke count of the kanji, including the radical. If more than one, the first is considered the accepted count, while subsequent ones are common miscounts.
The frequency is a number from 1 to 2,501 that expresses the relative frequency of occurrence of a character in modern Japanese. This is based on a survey in newspapers, so it is biassed towards kanji used in newspaper articles. The discrimination between the less frequently used kanji is not strong.
The kanji grade level. 1 through 6 indicates a Kyouiku kanji and the grade in which the kanji is taught in Japanese schools. 8 indicates it is one of the remaining Jouyou Kanji to be learned in junior high school, and 9 or 10 indicates it is a Jinmeiyou (for use in names) kanji.