It's not particularly well-worded. A lot of dictionaries list complex/complicated as synonyms. I always took it to mean 'complex' as in having many connected p

It's not particularly well-worded. A lot of dictionaries list complex/complicated as synonyms. I always took it to mean 'complex' as in having many connected parts, and 'complicated' more as in over-complicated or convoluted - the opposite of 'simple'. In other words, breaking something complicated into a system of intentionally-designed pieces is probably better than a chunk of opaque code to brute-force the current case. A good system is probably also 'simpler', despite having more pieces and interconnects.