To tell someone about something, especially in an official way inform somebody (of/about something)
Example:
Please inform us of any changes of address.
To advise
An opinion or recommendation offered as a guide to action, conduct, etc. I shall act on your advice. a communication, especially from a distance, containing information.
Example:
Advice from abroad informs us that the government has fallen.
To instruct
Direct or command someone to do something, especially as an official order.
Answers & Comments
Answer:
To inform
To tell someone about something, especially in an official way inform somebody (of/about something)
Example:
Please inform us of any changes of address.
To advise
An opinion or recommendation offered as a guide to action, conduct, etc. I shall act on your advice. a communication, especially from a distance, containing information.
Example:
Advice from abroad informs us that the government has fallen.
To instruct
Direct or command someone to do something, especially as an official order.
Example:
She instructed him to wait.