input: [1] Value [2] url target mode [3] Link Object, provides a link to a resource on another node. url identifies the node, target the obj on the node. Mode is even for bi-directional targets and odd for unidirectional ones. The next 7 bits define what the object is, for now: 0=unused, 1=generic uni-directional, 2=generic bi-directional, 3=process, 4=function. [0] 
output: link
options: T a g
options: a r r a y
options: v a l u e s
options: t e r m i n a l
options: s t r u c t
options: m e m b e r
options: v e c t o r
options: l i n k