irst subdivision of phenomena is a three-way
&gt; &gt; partitioning according to levels of complexity:
&gt; &gt;
&gt; &gt;  1. Elementary ideas or _elements_ are realized by the lexicogrammar
&gt; &gt;     as words or short groups of words, such as _rain_, _from the west_,
&gt; &gt;     or _8 hard-boiled eggs_.  Computationally, elements may be represented
&gt; &gt;     by slots in a frame, nodes in a graph, or typed variables in logic.
&gt; &gt;
&gt; &gt;  2. Configurations of elements or _figures_ are rea