We can apply it to writing a HEADLINE.
e.g.
“Don’t let your loved ones go to HELL, when you are in HEAVEN.
Write your will today!’
OR
design a BRAND LOGO.
“BRIGHTjoy”
(Uppercase & Lowercase, Bold & Light, San Serif type & Cursive writing).
Or
compose a PHOTO SHOOT.
Male in the foreground sharp focus & Female in the background is blur.
Contrast makes things interesting.
Being interesting is closely related to being creative. And creative is attention-grabbing.