There is a plethora of places to learn how to grow from seed. Surprisingly, this site does not have generalized article!
Most people put put their pots inside a closed clear bag to hold in moisture until the seeds begin to germinate, whether the pots are for individual plants or communal, to be replanted in separate pots later.
If you have specific seeds to learn about, one can often find easy youtube videos, but be wary for general advice since seeds can vary SO SO SO much in their requirements.
For general advice, maybe look at these, or similar:
https://extension.uga.edu/publ...
https://phsonline.org/for-gard...