1. The document discusses using crossword puzzle games to develop students' vocabulary skills. It notes that vocabulary is an important but often difficult aspect of learning English.
2. The identification of problems section outlines questions like what causes students' low vocabulary skills and how can teachers make vocabulary learning more interesting.
3. The aim of the research is to measure the impact of crossword puzzles on students' vocabulary development and mastery. It is hoped that using this technique will motivate and engage students during lessons.