Shapes

 Shapes are found everywhere in the world and can be found in many photos. shapes can be man made or found in nature and a shape define the space in a photo

 

The spikes on here are all the same shape so the viewer understands the concept is the spikes

 

 

The blood moon shown here is a circle. The viewer can clearly understand that the blood moon is a circle

 

 

The arrow here is the main concept as the arrow shape is bright and yellow and it clearly stands out against the rest of the picture