“interpretation.” This only occurs here in Ecclesiastes. This is used in Daniel of the interpretation of Nebuchadnezzar’s dream. It is also used in the Qumran literature about giving the interpretation of the text. It is about understanding something.
“thing.” This is the common word for “word,” “matter,” or “thing.”
“makes his face shine.” The demeanor of a person reflects what is happening in the life of a person.