Read the text to answer.

Dictionary:

1. a book that contains a list of words in alphabetical order and explains their meanings, or gives a word for them in another language; na electronic product giving similar information on a computer, smartphone, etc.

2. a book that gives information about a particular subject, in which the entries (words or phrases) are given in alphabetical order, or a similar electronic product.

3. a list of words in electronic form that is used by a computer or smartphone, for example, in a program that checks your spelling when you type.

4. Encyclopedic (dictionary): dictionary that, in addition to the common words of a language, contains proper names of prominent characters, events, places, etc.

5. Historical (dictionary): dictionary that aspires to contain all the words of a language that exist and have existed, as well as the variants that they present.

6. Ideological (dictionary): dictionary that associates and orders the words conceptually.

(Available at: https://englopedia.com. Adapted.)

The use to which language is put, rather than the particular grammar form it takes, constructs language functions. Language is employed in order to fulfill purposes and each one of these purposes can be known as a language function. Regarding the text above, which language function does it display?