130. An ESL teacher is implementing a lesson on English parts of speech with developing-level English language learners. The teacher prompts students to associate each grammatical category with a different color (e.g., nouns are "blue words," verbs are "green words"). Then the teacher has students use colored pens or highlighters to mark words in simple English sentences with their corresponding colors. In addition to reinforcing students' knowledge of the vocabulary used in the sentences, this activity best promotes the students' understanding of English: