Thinking of song lyrics: "late nights, midway is when i " (has to rhyme with grey) and this is the next line if it , "oh late nights, won't you stay? " in advance!

Type the correct answer in the box. spell all words correctly. what did german psychologists develop in the 1920s to describe how people tend to organize visual elements into groups? describe how people tend to organize visual elements into groups, or unified wholes, when applying certain principles.