A word group is a collection of words that are related in meaning or form. It can refer to a PHRASE, an idiom, a proverb, or a saying. A PHRASE is a group of words that expresses a concept and is typically not a complete sentence. It may consist of a single word, a combination of words, or even a series of words. Phrases are often used to convey emotion or to emphasize a point. Word groups are an important part of language and can be used to communicate ideas and feelings in a concise and effective way.