Vocabulary is an essential part of anyone’s life and the following points describe the importance of vocabulary.

• Vocabulary is critical for communication and expression
• Vocabulary forms the basis of reading comprehension
• Linguistic vocabulary and thinking vocabulary work parallel
• Vocabulary also forms a basis for judgment many times
• For conveying anything, vocabulary is important

The answer to ‘what is vocabulary in English?’ is all the words that form a language to be understood by a specific person or maybe a group of people. Vocabulary in English can be categorized into two types, namely: active and passive. The words that we use and understand in day-to-day language are termed as active vocabulary while the ones which we know but use rarely are said to be passive vocabulary.