1. The document provides information on Oxford University Press dictionaries for English language learners, including titles, levels, features, and prices.
2. It summarizes the key features of the Oxford Essential Dictionary for elementary and pre-intermediate learners, including its focus on the 2,000 most important words, spelling/grammar notes, and illustrations.
3. It also briefly describes the Oxford Advanced Learner's Dictionary, noting its focus on helping learners understand and use words correctly through its explanations, shortcuts, and new vocabulary-building notes.