This is a symbol that can have various meanings. Oil is a substance that ‘doesn’t mix well’ and can portray your inability to ‘fit in.’ It is associated with lamps and can suggest something inspiring you to ‘find your way’ through the darkness. Finally, oil that is used in refineries can be black, sticky and smelly. In this case, the oil may signify motivations that are making you feel ‘dirty.’ See Black and Gold under Colors.