Refers to the actual person selling goods, not the location. When I visit the grocer, he always recommends the freshest produce.
Pro Tip 2/3
Local Interaction
Often implies personal interaction and community shopping experience. The grocer knows everyone by name in our small town.
Pro Tip 3/3
Not a Supermarket
A grocer usually runs a smaller shop than supermarkets and may specialize in certain products. For rare spices, I prefer the grocer over a big supermarket.