Some of you may have seen this article already (I've seen it linked on at least two places on the internet that I frequent), but in case you haven't:
There's a very nice little article by Harry Wallop posted a few days ago entitled "What would be in your coat of arms? A heraldic designer reveals how the family emblems are created" includes portions of an interview with Adam Tuck, Rouge Dragon Pursuivant of Arms at the College of Arms in London. I particularly liked one quote:
The main thing I say to people is that it needs to be elegant and simple. A lot of people have this idea that a coat of arms is a shield divided into four, like a cross, and you have a different theme in each corner like the Hogwarts crest. But that is not how English heraldry works.
And I would add, "That's not how pretty much any heraldry works."
Anyway, it's a fun little article to read, with some good points to remember and quite a bit of accurate information in it. Not to mention the two illustrations of heraldry: one of the College of Arms' herald painters drawing up Kate Middleton's coat of arms, and this little gem from the stern of the Royal barge Gloriana:
So please, head on over to the website of INews and spend a few minutes perusing an article about heraldry. You can find it on their webpage at: https://inews.co.uk/news/long-reads/coat-of-arms-heraldry-design-family-logo-564190