What is the difference between font-family property and @font-face?

Question

In the first CSS lessons, we have learned about font-family property. Further on the CSS3 basics, there is a new level called @font-face. So, I wanted to know the difference between the both

Answer 1

chack out these links:
https://graphicdesign.stackexchange.com/questions/35619/difference-between-font-face-typeface-font-in-the-context-of-typography

https://css-tricks.com/snippets/css/using-font-face/

Answer 2

Dorly G Jeffrey Oriol you are welcome

Answer 3

Very helpful. Thanks