English uses 26 letters: 21 consonants and 5 vowels. We can create jillions of words, such as the word jillion, which is a slang word that means some indefinitely large number. Some words have a single consistent meaning; some have numerous context-specific meanings. For example, the words brain, north, golf, automobile, jury, and woman have pretty consistent meanings wherever they are used. On the other hand, try to figure out the meanings of these words without knowing the context in which they’re used: right, down, space, bridge, state, and branch.