Just like the TV show Seinfeld that was a show about nothing, putting next to nothing in your images can produce some good results.
min·i·mal·ism – a style or technique (as in music, literature, or design) that is characterized by extreme spareness and simplicity
Sometimes in an image less is more, and many beginners try to put too much into their images which makes them busy and unfocused. Look at these images that use minimalism well: