Models talk -- 'news' with no content (8)
I believe the answer is:
patterns
'models' is the definition.
(I know this)
'talk news with no content' is the wordplay.
'talk' becomes 'patter' (I have seen 'Rapid talk ' mean 'patter' so perhaps 'talk' could also mean 'patter').
'with no content' says to hollow out the word (remove centre letters) (the content of the word is removed).
'news' with its middle taken out is 'ns'.
'patter'+'ns'='PATTERNS'
(Other definitions for patterns that I've seen before include "Designs, shapes" , "Repeated decorative designs" , "Designs seen in transept" , "'Models, blueprints (8)'" , "Guides for making something" .)