Realm

realm [ relm ] (plural realms)
noun
Definition:
1. scope of something: an area or domain, e.g. of thought or knowledge
Here the scenario enters the realms of fantasy.

2. area of interest: a defined area of interest or study
the realm of pure mathematics

3. kingdom: a country ruled by a monarch

[13th century. Via Old French realme< Latin regimen 'government' (see regimen)]

ॐ श्रीनारायण शरणम् ! Om Shri Naaraayan' Sharanam !
कायेन वाचा मनसेन्द्रिऐवा बुध्यात्मना वा प्रकृते स्वभावात । Kaayen' Vaachaa Man'sendriaiyaa Budhyaat'manaa vaa Prakrite Swabhaavaat'
करोमि यद् यद् सकलं परस्मै नारायणायेति समर्पयामि ।। Karomi Yad Yad Sakalam Parasmai Naaraayanaayeti Samarpayaami