Software architects design software or modifications into "chunks" that perform simple operations. Since many of those chunks have established "convention," they are autogenerated.

The newer parts are then built synthetically by AI by scanning countless samples, interpreting them down to sub-components, and stitching together a new piece of software that's a reasonable approximation of what the chunk is described to need to do in human language.

Your software engineers then review and verify the code.

So it's incredibly quick iterations.