Magazines laid so price may be seen (11)

I believe the answer is:

periodicals

I'm a little stuck... Click here to teach me more about this clue!

'magazines' is the definition.
The answer and definition can be both related to communication as well as being plural nouns.
Perhaps there's an association between them I don't understand?

'laid so price may be seen' is the wordplay.
'laid so price' can be anagrammed to 'PERIODICALS'.
But, I'm not sure how this is indicated.

Can you help me to learn more?

I've seen this clue in The Globe and Mail.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.