Definition Vocabulary is a list or collection of words arranged in alphabetical order and explained, a dictionary or lexicon, either of a whole language, a single work or author, a branch of science, or the like, a word book. INTRODUCING VOCABULARY Example 4 below is clearly designed to focus the students’ attention on an aspect of vocabulary. Example 1 : Walking, running, jumping Focus : verb of movement Age : adult Level : beginner Example 2 : Inviting Focus : Functional language Age : adult Level : pre-intermediate Example 3 : Explaning what you mean Focus : type, kind, something you use Age : young adult plusLevel : intermediate Example 4 : Word formation Focus : prefixes and suffixes Age : young adult plus Level : upper intermediates