Speakers can express themselves meaningfully and are able to distinguish between false and meaningless utterances. They understand, among other things, colloquial expressions and idioms with double meanings.
Speakers are able to converse on a variety of topics because they have sufficient vocabulary. If they do not know an expression, they have the symbols available to describe what they are referring to.
Speakers associate the language with various emotions and feelings, interpersonal relationships, stages of life, aspects of work or education that are final or temporary but are part of their lives and affect them simultaneously on a personal, professional, and/or educational level.