... answers “why” questions.5 years: Understands more than two thousand words, under-stands time sequence, carries out series of three directions, understands rhyming, uses eight or more words per ... with a per-son’s ability to understand, form, or use words correctly. This can occur in both verbal and nonverbal communication. The inability to find and use the right words or gestures at ... for “rabbit”), omitted altogether ( and for “hand”), or distorted by mispronouncing it (“ship” for “sip”). The most common error sounds include “s,” “l,” and “r.” Some articulation errors...