Aof information refers to data derived directly from the original source. It is produced by someone who
and witnessed an event. Documents identified as
primary sources are
and have not been previously published by anyone else.
A
of information provides secondhand information and commentary of the
originating sources. It often attempts to describe or explain
Both primary and secondary sources of information can be in the written or non-written format.

are there any choices to this question

a dictionary contains alphabetical list of words that include the meaning, etymology and pronunciation while the thesaurus is a book that contains synonyms and even antonyms.

a dictionary explains the meaning of a word and shows how it is spelled and used. a thesaurus is a book that contains words that can be used in the place of another. unlike the dictionary the words in a thesaurus are arranged either alphabetically or thematically.