Learn 1100 Essential English Words the Easiest Way! "1100 Essential Words" is one of the most familiar books known to students who want to learn English. Kotobgram app uses a modern method to make the students think in English while they try to learn a words meaning. Through hundreds of pictures and videos, carefully chosen for each new word, students learn English Vocabulary even without translating them to their own language. Enjoy learning 1100 Words you need to know with this method.