❗@

#mention alert #important mention #direct mention #notice mention #alert at symbol #you've been mentioned

@👤

#at symbol #user mention #tagging user #social media mention #@person #direct mention

@`👉👤

#tag user #point out person #social media mention #single mention #@ tag action #direct mention

@👤🔔

#discord mention #ping #tag user #notify user #direct mention

👉@　💬

#direct mention #chat space #forum mention #specific callout #space mention #discussion tag