This element of design is Negative Space. The hand isn't actually holding anything. It implies that there is a light bulb in the empty space. Negative space guides your imagination to finish the image.
Coca-Cola ad: Simple, creative, and effective across cultures. Sublime use of positive and negative space
I like how the detail on the smoke trailing from the gun smoke provides a place for there to be another hidden image, negative space tattoo idea
Start A Fire
Avinoam 'Noma' Bar is an Israel-born artist and graphic designer renowned for his negative space artworks that have adorned the covers of over 100 magazine
I love the first poster for this movie "You Will Meet a Tall Dark Stranger" the latest woody allen film. The negative space created with the hands is beautiful. Here is the feature film trailer for the movie "You Will Meet a Tall Dark Stranger"
Tang Yau Hoong is an artist, illustrator, graphic designer living in Kuala Lumpur, Malaysia.