What is the difference between Consumer goods and retail goods?

Consumer Goods are goods being sold by manufacturer through his own sales outlets/online or through a retail store. Samsung, Sony, LG, Nokia, Lakme, Colgate, HUL, P&G etc are in the consumer goods industry.

FMCG is Fast Moving Consumer Goods.

Retail goods are goods being sold by a retailer that are mostly not manufactured by him. Big Bazaar, Croma, Reliance Digital, etc are in the retail industry.

Amul can be considered in both retail as well as the consumer goods industry.