Power play — it's somewhat obvious! (9)

I believe the answer is:

platitude

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

'power' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Perhaps you can see an association between them that I don't see?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for platitude that I've seen before include "Trite or obvious remark" , "Trite observation" , "Trite remark made as if meaningful" , "that says nothing new" , "Licence" .)

I've seen this clue in The Guardian.

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.