Final answer:
Idioms are phrases or expressions that have figurative meanings different from literal definitions.
Step-by-step explanation:
Idioms are a part of the English language where a phrase or expression carries a figurative meaning that differs from the literal definition of the words. They add color and variety to the language and are commonly used in both spoken and written English. For example, the idiom 'raining cats and dogs' means heavy rain, not actual animals falling from the sky.
Learn more about Idioms in English