Under CONTENT, we learn that lexicographers by$-$and$-$large create dictionaries that are...

$...$ constructive in that lexicographers want to make new meanings an coin new words called "neologisms."

$...$ prescriptive because the lexicographers want you to say a word only in the way they want it to be because of their personal preferences about what sounds right or wrong.

$...$ descriptive in that they describe how the language is used in the culture, and how to use it if you want to be understood.