She can talk. She knows thousands of words. In English there are 40 of them. Kacey is learning to read. She is learning to read by putting speech on paper, by writing.
Letters stand for speech sounds.
Kacey identifies each speech sound in the word the computer has asked her to write. Her mouth moves as she spells and sounds out the word along with the computer. Her fingers move as she finds the keys that represent each sound. She touches the keyboard, and letters appear on the screen. Kacey reads words as she writes them.