Realm

1.

(A kingdom; region sphere; special field orprovince; a field or activity or interest. -realm number rational number or the limit of of a sequence of rational numbers) british realm ព្រះរាជាណាចក្រ
Example: The realm of fancy, realm of freedom, realm of literature, The realm of science.in the realm of physics វិស័យ

2.

(បច្ចេកទេស) អាណាចក្រ, ព្រះរាជាណាចក្រ, វិស័យ

1.

A royal jurisdiction or domain; a region which is under the dominion of a king; a kingdom.

2.

Hence, in general, province; region; country; domain; department; division; as, the realm of fancy.