The words are words which students of the junior high schools (Grades 7 - 9) in a non-English countries need. If they know the words well, they will likeley be able to follow their English lessons at school well.
For the sake of presentation, the total number of words in the level is expanded to 1050 words. The words are organized into 15 units, or 70 words in one unit.
Many words in the 2nd one thousand word list have more than one meaning. Because of that, the number of words in this level is extended to 1500. A word may be presented more than once if it has more than one meaning. The words in this level, therefore, are also organized into 15 units, or 100 words in one unit.
The words in the list are a must of first year students of an English departments. With a good mastery of the words, they can talk about many common topics comfortably.
For the sake of presentation and to avoid repetition (as many words are already presented in Level 1 or 2), many words in this level are not presented. The total number of words in this level is 2100. The words are organized into 15 units, or 140 words in one unit.