Lexicographers, on the other hand, claim their expertise as descriptive—i.e., documenting how grammar is diverse and changing in society, even when it deviates from what grammarians might find ...

A useful analogy regarding the difference between descriptive and prescriptive is this: a person visits a doctor where she is told that she has acid reflux. That’s a description.

A useful analogy regarding the difference between descriptive and prescriptive is this: a person visits a doctor where she is told that she has acid reflux. That’s a description.