I’m sorry if this was asked a million times before, but neither Google nor the ELU site has helped me out.
- What’s the reason behind introducing this character?
- What’s the difference between it and and?
This question is too basic; it can be definitively and permanently answered by a single link to a standard internet reference source designed specifically to find that type of information.If this question can be reworded to fit the rules in the help center, please edit the question.
The character is called the ampersand, and this wikipedia article should be able to give you the info you want:
As to what the difference is between "&" and "and", the accepted answer to a post (Courtesy: Kit) asking this question demonstrates this quite succinctly.