organism, and also some forms of practices, perhaps reinforced practices. Learning can be defined as changes in behavior. This change occurs as a consequence of
experience in some forms of practices. Learning can be defined as changes occur as a consequence of experience in some specify situation. The change brought about by
developing a new skill, understanding a scientific law, and attitude. The change is not merely incidental or natural in the way the human appearance change as people get
older.
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According to the theories above, it can be concluded that learning is the process of getting the students understand for the lesson that the teacher gives to them. In
addition, learning gives a change to the students such as developing a new skill, understanding a scientific law, and attitude.
C. Concept of Vocabulary 1. Definition
According to Lines, “Vocabulary is the collection of words than an individual knows.
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According to Richard, Platt and Weber say, “Vocabulary is a set of lexemes, including single words, compound words, and idioms.
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From the statement the researcher makes decision that vocabulary means the total number of words or
phrases of language, including single words and idioms that individual knows. When we only know the form and meaning and do not know the implementation of
vocabulary it will be useless. Vocabulary is necessary in language learning, because without vocabulary we cannot
understand a language. Vocabulary is needed in all aspects of language and without vocabulary; we cannot say information very well. In other word vocabulary is the
basic element of a language which will make a language can understand and have meaningful. Thornbury says that vocabulary plays an important role in language;
because without vocabulary it is impossible develop language.
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Cameron says that “vocabulary is fundamental to using the foreign language as discourse.”
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According to the theories above researcher can conclude that vocabulary is very important
component in language learning especially in English. Without vocabulary we cannot communicate each other and also without vocabulary we can not to exchange our
mind. Vocabulary is very important component in language learning because vocabulary is used to express our ideas. Our skill can say good if we can mastery
vocabulary better such as in speaking, writing, and reading. So, How we can speak very well if we have no vocabulary, how we can make good written if we lake in
vocabulary, how we can understand the meaning from a story. So vocabulary is very
