Realm in a sentence as a noun

Or is this solely in the realm of public policy?

My good friend is a journeyman, and I always wished there was a US equivalent, especially in the realm of software engineering.

But if we're going to reach into the realm of "If X had done Y Aaron would be alive today" then I think it would be distressing to think how many X's there could be.

And that is why they want such draconian laws applied to the Internet, when such laws, as the author of the subject article accurately points out, would never fly in the non-internet realm.

Whatever Yale's responsibilities in the freedom-of-speech realm may be, they are entirely ethical in nature, as freedom of speech in the legal sense refers only to what governments may not suppress.

This type of bias is much more insidious than advertising, because it is not clear who “deserves” to be there, and who is willing to pay money to be listed.”“We believe the issue of advertising causes enough mixed incentives that it is crucial to have a competitive search engine that is transparent and in the academic realm.”“Search engines have migrated from the academic domain to the commercial.

Graham's Ansi Common Lisp is of course even more obscure - it's been out of print for years and from Amazon you're in the realm of individual sellers [my anecdote is that it took about a month to get the copy I ordered - the seller was a nice person but it was a couple of weeks before they read their email from Amazon letting them know someone had purchased their copy].The author goes on to recommend LispWorks as a platform.

Realm definitions

noun

a domain in which something is dominant; "the untroubled kingdom of reason"; "a land of make-believe"; "the rise of the realm of cotton in the south"

See also: kingdom land

noun

the domain ruled by a king or queen

See also: kingdom

noun

a knowledge domain that you are interested in or are communicating about; "it was a limited realm of discourse"; "here we enter the region of opinion"; "the realm of the occult"

See also: region