Clean & sharp arrangements of inanimate objects into a photograph is Still Life Photography.
Shooting still life subjects is one of the best ways to sharpen your photographic skills. You can take your time, and your subject remains stationary. Good composition, framing and lighting are all very important to translate your still life into a great photo.
Simplicity is very important when composing still life. You don't need to collect a wide range of complicated objects to create an interesting picture. photographers use repeating shapes and lines to create patterns and use complimentary colors. One of the best things you can do before you shoot still life is to collect images that inspire you.