The cat died. Then it cannot be alive. It is raining. Then it is not dry outside. The Easter bunny is coming to hide Easter eggs.
Meaning is provided solely by the language community in question.
An idiolect is the individualized collection of words each person uses. A lexicon is the collection of words that a person collects. The number is unknown to anyone including each individual person. FACT 4 Dialects differ in vocabulary because of age, sex, education, occupation . The origins of dialects vary.