and
And can be used to link noun phrases, adjectives, adverbs, verbs, or clauses.
used for linking noun phrases
When you are talking about two things or people, you put and between two noun phrases.
I had a cup of tea a biscuit.
The story is about a friendship between a boy and a girl.
When you are linking more than two noun phrases, you usually only put and in front of the last one.
They had fish, potatoes, peas for dinner.
We need to build more roads, bridges airports.
In lists like these, the comma before and is optional.
