Report function provides you with your vocabulary building progress information.  That information is mainly related to your use of the Study function.  Below are descriptions for the reported items.

• Total words selected: total number of words you have selected so far, or total number of words in your word selection
• New Words: number of words you have not studied yet with the Study function.
• Learning Words: number of words you are currently studying with the Study function, including 6 sub-groups from First Review to Sixth Review.
• First Review: number of words passed the first round of study in the Study function
• Second Review: number of words passed the second round of study
• Third Review: number of words passed the third round of study
• Fourth Review: number of words passed the fourth round of study
• Fifth Review: number of words passed the fifth round of study
• Sixth Review: number of words passed the sixth round of study
• Learned Words: number of words you learned through the Study function
• Known Words: number of words you already knew and will not be scheduled to study in the Study function