vocabulary

noun5

1. •
   The collection of words a person knows and uses.

   • My Russian vocabulary is very limited.
2. •
   The stock of words used in a particular field.

   • The vocabulary of social sciences is often incomprehensible to ordinary people.
3. •
   The words of a language collectively; lexis.

   • The vocabulary of any language is influenced by contacts with other cultures.
4. •
   A usually alphabetized and explained collection of words e.g. of a particular field, or prepared for a specific purpose, often for learning.
5. •
   A range of artistic or stylistic forms or techniques.