Proprietary-proprietary |p(r)əˈprī-iˌterē| adjective
1 of or relating to an owner or ownership:
noun
an owner; proprietor.

Quality-quality |ˈkwälətē| noun
1 the standard of something as measured against other things of a similar kind; the degree of excellence of something:
2 a distinctive attribute or characteristic possessed by someone or something:

Luxury-
luxury |ˈləkSH(ə)rē, ˈləgZH(ə)-| noun
the state of great comfort and extravagant living:
adjective
luxurious or of the nature of a luxury:

Tenants-tenant |ˈtenənt| noun
a person who occupies land or property rented from a landlord.
verb (usu. be tenanted)
occupy (property) as a tenant.

Downsizing-downsize |ˈdounˌsīz| verb
make (something) smaller:

Upgrading-upgrade verb |ˈəpˌgrād, ˌəpˈgrād |
raise (something) to a higher standard, in particular improve (equipment or machinery) by adding or replacing components: (as adj. upgraded)
noun |ˈəpˌgrād |
an act of upgrading something.