A characteristic, or a number of characteristics, that we can identify as constant, recurring, or coherent. In art, the sum of such characteristics associated with a particular artist, group, or culture, or with an artist work at a specific time.

style            

Explanation:

In simple words, Style can simply be defined as the way the creator represents his or her topic as well as how the creator communicates his or her view. Those features that identify the illustration, like how the creator  uses shape, texture, and structure, to mention only a handful, define style.    

       Another significant aspect in assessing a concept's style is to analyse how the artist approaches the material, bearing in mind the process or methodology used by the artist. The ideology or guiding force underneath the sculpture is an important element of the art forms.                            

the longest time is 123 years