Notify
The Spanish word 'avisar' translates to 'notify' in English. It is a verb usually utilized to inform or alert someone about a particular situation, incident, or fact. For instance, 'Debes avisarle a tu hermano sobre la fiesta.' translates to 'You should notify your brother about the party.' in English.
I need to notify my boss about this problem.
In this phrase, 'avisar' is used to denote the act of informing or giving a heads up to someone about a situation or event. It has a general use and change depending on the context.
Please, let me know when you get home.
In this phrase 'avisar' is used in a request context, it is equivalent to 'letting know' someone about a particular event, in this case, when a person has arrived home.
Did you forget to notify the police?
Here, 'avisar' is used to reference the act of advising or informing an authority, symbolized in this case by the police. The phrase is questioning whether or not someone has taken that action.