Rests, said to be a bit lazy (4)
I believe the answer is:
lays
'rests' is the definition.
The definition and answer can be both related to communication as well as being plural nouns.
Maybe there's a link between them I don't understand?
'said to be a bit lazy' is the wordplay.
'said' becomes 'ays' (I am not sure about this - if you are sure you should believe this answer much more).
'to' says to put letters next to each other (I've seen this in other clues).
'be a bit' suggests taking the first letters (I've seen 'a bit of' mean this).
The first letter of 'lazy' is 'l'.
'ays' after 'l' is 'LAYS'.
Can you help me to learn more?
(Other definitions for lays that I've seen before include "Arranges" , "literary works?" , "Puts down - narrative poetry" , "Puts down the old ballads" , "Minstrel's melodies" .)