Many words are about things.
If we can see, smell, touch and do these things, we use content words .
Nouns, Verbs, Adjectives and Adverbs are content words.
N, VB, ADJ and ADV are important words, so we make them easy to hear.
N, VB, ADJ and ADV are LONG (Loooooong), LOUD (LOUD) and HEAVY (heavy).
