Final answer:
The piece which the phrase is built is known as a lexeme. A lexeme is a basic unit of meaning in a language, and it can be a single word or a group of words that functions together as a unit within a sentence.
Step-by-step explanation:
The piece which the phrase is built is known as a lexeme. A lexeme is a basic unit of meaning in a language, and it can be a single word or a group of words that functions together as a unit within a sentence. In this case, the phrase is composed of one or more lexemes.