A micro is an untyped constant. It can be referenced by name in place of a constant value.
local Dot |= '.', S = Dot string, &Initialize the string to '.'. C = Dot byte :Initialize the byte to the character dot.
A macro is an expression that is substituted in the place where it is referenced. They are declared using a functional notation and can have parameters as well. Macro parameter names begin with a dot.
local Square( .a ) => .a ^ 2 Z = root( Square( X ) + Square( Y ) )
Macros are implicitly wrapped in parenthesis before they are substituted.