When Hooper visits Brody's home, he brings two bottles of wine. Brody pours himself a large measure, and then gives his wife and Hooper some. If you look at the bottle, firstly it seems rather full for the amount he's just poured, and secondly the level changes from shot to shot. Sometimes it's above the label, sometimes below.
The purpose of an Essay Introduction is to introduce the reader to the subject matter you are writing about and to state the intent of the paper.
An introduction is not a summary. A summary repeats the main ideas of an essay. An introduction introduces the reader to the topic of the essay, describes the organizational structure of the essay, and explains the point of the essay (the thesis argued for). Frequently asked questions 5.