Informal language is more casual and spontaneous. It is used when communicating with friends or family either in writing or in conversation. It is used when writing personal emails, text messages, and in some business correspondence. The tone of informal language is more personal than formal language.
How do you write informal writing?
The main characteristics of an informal writing style are:
1.Colloquial language and terms.
2.A personal tone as if you were speaking directly to your audience readers.