Meaning: This sentence describes a male person consuming a sweet food after attending an educational institution.
Choice of Words: The word "He" is a pronoun that refers to a male person. "Eats" is a verb that describes the act of consuming food. "Cake" is a noun that refers to a sweet food made with flour, sugar, and eggs. "After" is a preposition that indicates a time following an event. "School" is a noun that refers to an educational institution.