1) to exist in a plane consisting of 4 measurable dimensions. Three physical (ie length, width, and depth) and one non physical (ie time).
2) The problem many face in trying to discover the meaning of life is trying to treat the two categories as one in the same, for example we as biengs can change the three physical dimentions of any object we encounter yet treat time as a constant and therefore unchangeable. To fully understand the meaning of life you first must understand that time is not constant, it can and will fluctuate, the only way to see this is by removing ones self to a plane with no time (ie death).
the meaning of life, is death