Law of Similarity

Objects that are near, or proximate to each other, tend to be grouped together.

Elements tend to be perceived into groups if they are sharing an area with a clearly defined boundary.

Elements that are visually connected are perceived as more related than elements with no connection.

People will perceive and interpret ambiguous or complex images as the simplest form possible, because it is the interpretation that requires the least cognitive effort.

The process of focusing our attention only to a subset of stimuli in an environment — usually those related to our goals.

When multiple similar objects are present, the one that differs from the rest is most likely to be remembered.