Definition of mentioning:
(n) :
A speaking or noticing of anything, usually in a brief or cursory manner.
(v) :
To make a short reference to something.
(n) :
(Internet, plural only) A social media feed, a list of replies or posts mentioning a person.
(v) :
(philosophy, linguistics) To utter a word or expression in order to refer to the expression itself, as opposed to its usual referent.