Answer:
the water one is movement, the building is balance, the little candies are unity, the bird one is emphasis, and the shell one is contrast! :)
I'm guessing you mean in Photoshop so you would
1. click the ruler tool
2. drag it along the line you know is straight
3. on the options bar, click straighten
hope this helps :)
Katy Perry might be the one that sings this song
Bark for me but they’re both rly cute
Asymmetrical. Hope this helps