Why is context so important to understanding pieces like the lod mosaic

   Context is important because Art is a way of expressing what one feels inside. It translates life experiences as well as being a vehicle of information. In each artwork is perceived a certain trend, a period style marked by facts that reach the sensitivity of the artist.

In the case of Lod Mosaic:

   The Roman Empire had as one of its pillars territorial expansion and the rule of other peoples. These characteristics allowed to obtain wealth and slaves, these in turn, were the main labor force. Thus, the Roman Empire conquered various peoples and extended throughout Europe, North Africa and West Asia, its great extension provided the Empire with a huge diversity as represented in the mosaic in question.