This is the 17438th most frequent Korean word.
설명자료를
"Explanation materials."
In this sentence, '설명자료를' informs the action 'to prepare' and serves as the object of the verb in the imperative mood.
설명자료를 준비하십시오.
Prepare the explanatory materials.
Here, '설명자료를' acts as the object of the verb 'to review,' indicating what was reviewed.
설명자료를 검토하였습니다.
I have reviewed the explanatory materials.
The term '설명자료를' specifies the object needing revision in the context of the sentence.