Shops & products
Grammar Reference: a/an – the – zero article
We use a/an with singular countable nouns when we mention something for the first time. We use no article (zero article) with plural countable or uncountable nouns when we mention something for the first time. We use the when it is clear which person/thing we mean. Benny's is a shoe shop. You can buy shoes at Benny's. The shoe shop is next to Karen's.