What does is mean when someone yells “going dark” in a theater?

Brendan is playing in the backyard.

Which sentence is correct? laura lent me her copy of cooking weekly so i could use a recipe. i enjoy doing crossword puzzles from the new york times. herman melville wrote the novel “moby d ick.” maggie loves to read the smithsonian magazine.

The following question refers to “the philosophy of composition” by edgar allan poe and on writing by stephen king. what is a key difference in the use of details in the texts? poe’s essay is dominated by facts, while king’s memoir is dominated by images and examples. poe references numerous authors and literary works, while king does not reference any other authors or literary works. poe includes a list of all the poems he has written, while king includes a list of all the books he has written. poe’s essay is full of personal details about his wife and children, while king’s memoir is filled with details about his pets.