The difference between an exposition and an exhibition

The difference between an exposition and an exhibition:

1, Expo mainly refers to an exhibition or trade fair held to promote goods. For example:

(1) They plan to attend the Autumn Fair.

They plan to attend the autumn fair.

A book fair is held here every year.

2. Exhibition usually refers to a more formal art exhibition. For example:

(1) An art exhibition is being held in the central hall.

The art exhibition is being held in the central hall.

There is an endless stream of people visiting the exhibition.