2.dividing the information into various sections noted by numbers or letters
Explanation:
You should divide information by the different topics that you are going to writte about, and then by importance of the topic, you can also add relevance and divide it according to the source of the information, could be magazines, articles, books, or different researches.
This is a simple sentence because in its entirety it is a single clause. There are no multiple independent clauses connected or any subordinate clauses to make it compound or complex.