Reply To: What is defination of sing? Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram October 13, 2020 at 5:12 pm #1108 Aarti KumariParticipant A sign is the effect of a heart problem that can be observed by someone else. Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram