Some philosophies of art emphasize the use of art in everyday life and for communication.  Criteria for judging art are:

First Impression:

The work has an important message or function.

Design:

• The proportions of colors and other elements are planned to help you understand the message of the work.
• The total design is useful.  It is part of the message the artist wants you to understand.

Subject/Theme:

• The subject or theme is related to the life of a cultural group.
• The subject or theme is important to almost all people at some time in their lives.

Materials:

• The materials and techniques help you understands the message of the artwork.
• The materials and techniques are practical and related to the function of the artwork.

Functional or Decorative Art:

• The work serves the purpose of communicating important ideas.
• The design or decoration is well suited for its purpose and isn’t too plain or fancy.

 

(source)