This is the 9795th most frequent Spanish word.
avisar
To warn, inform, or notify.
Here, "avisar" is used in the sense of notifying or informing someone about a specific need or occurrence.
Por favor, avísame si necesitas ayuda con eso.
Please let me know if you need help with that.
In this case, "avisar" is employed to describe the act of making an announcement or providing notice about a situation.
Ellos avisaron al grupo que la reunión se cancelaba.
They informed the group that the meeting was canceled.
Here, "avisar" conveys the meaning of alerting or reporting to an authority about an important matter.