REPEAT(<AUTO-REPEAT-TRACK>, <FIXED-SIZE>)

[robertoms99]

Hello Rachell, I'm a new frontend developer, I started 4 month ago (quarentine haha) to study the most important part of css specificacion in w3c.org, all details in mdn, css tricks and smashing magazine. However, I do not understand things like the use of repeat(auto-fill || auto-fit, ) together grid-template-areas, due to values are dynamics and grid-areas none. Too, I have problems in the flexbox and grid specification in the section abouts the minimun size automatic,
Do you have any article about this topics Please and thank you