how to make a message appear at a certain time when passing the cursor through an ico

[3r1ck]

Hello colleagues, my question is whether CSS, Javascript or other forms can specify additional information about something when the user moves the mouse pointer over an element.

The idea is that when passing the mouse through some icon of the visualization this will show us a message at a certain moment, I understand that this is done with information about tools.



Thank you and I am attentive to your comments.