In a dictionary the value (meaning) is often (partially) implied by the key (word), by etymology etc. In the data structure there need be no relationship betwee

In a dictionary the value (meaning) is often (partially) implied by the key (word), by etymology etc. In the data structure there need be no relationship between the key and value other than the fact that they are a key-value pair in this instance. It introduces messy cultural concepts into what should be a clean, abstract concept.