repetition

Repetition has been used effectively, throughout history, in many ways.

You might find repetition utilized in books, poetry, music, famous speeches, architecture, art, cinema, and photography. 

Please don't be long

Please don't you be very long

Please don't be long

Or I may be asleep

Beatles - Blue Jay Way 

“She was not for everyone but she was for me. ”

Atticus Poetry, Love Her Wild

Repetition is used in architecture as a structural element. Combining like elements, multiple times, not only creates a cool design, but also can give structural integrity to an object.

Examples of this is a bridge or a gothic cathedral.

Bridges are composed of repeating shapes and lines, which help to give strength and support to the structure.

Gothic cathedrals were SO ornate and decorated, particularly on their vaulted ceilings. They used heavy stone to decorate it, which compromised the integrity of the building. To solve this problem, architects used a technique with a funny name, a flying buttress, to give the building more support. They kinda look, and act, like a kick stand for your bike. Holding up the building with extra support from the outside, coming up from the ground, and attaching higher up on the building, below the roof. The flying buttress was repeated, over and over, giving more strength and support with each repeated one.