What is the abbreviation for language in which an electronic document on Web must be created and 9650 Question Progress 9650?

The abbreviation for language in which an electronic document on the Web must be created is lang.

This is used as an HTML attribute to specify the language of the content within an element.

For example:

```html

This is a paragraph in English.

```

The information about "9650 Question Progress 9650" seems unrelated. Could you clarify what you mean by that?