elaboration

noun

1. 1

   developing in intricate and painstaking detail

2. 2

   addition of extra material or illustration or clarifying detail

   a few remarks added in amplification and defense

   an elaboration of the sketch followed

3. 3

   marked by elaborately complex detail

4. 4

   a discussion that provides additional information

5. 5

   the result of improving something

   he described a refinement of this technique