There are many possible. "Point of light."
This is usually used in books , and indicates that the word/phrase requires explanation, which is then found at the base of the page
The phrase 'movie star' is two words.
sidus
The 10-word phrase is not, but the lyrics of the song from which it is taken are.
How come is often used instead of why.
The phrase 'star of the month' means Stella mensis in Latin. In the word-by-word translation, the noun 'stella' means 'star'. The noun 'mensis' means 'of the month'.
A direct translation is mtoto wa nyota (child of a or the star). However, the phrase would be unintelligible, since the phrase "star child" doesn't really have much of a meaning in English either.
A euphemism is a word or phrase that is used in place of one that is negative or unsavory. For example, "passed away" is used as a euphemism for "died".
Answer is B: To show that the phrase is unfamiliar and not commonly used APEX
Exposition
rario
euphemism