While they come in many different shapes and sizes, at their core these companies share many common attributes and mindsets.

Other common attributes may be added, but are not required, such as cabinets, flooring, bathroom fixtures, paint color, wall tile, and other interior finishes.

Safe applications exhibit common attributes, such as being of a known origin with known publishers.

The three are from very different worlds, but still share common attributes that appear most prominent when they all undergo significant changes in their lives.

In this type of join, two relations are connected by their common attributes.