Distinction between com and prop

type=com type=prop

D e s c r i p t i o n E x a m p l e D e s c r i p t i o n E x a m p l e

names of products berro' una coca-cola/com   names of products una Coca-Cola/prop  

common nouns spelled as proper nouns un marco/com   proper names Marco/prop  

currencies un marco/com   currencies abbrev. un DM/prop  

geographical nouns le isole/com   names of regions Isole/prop   Vergini/prop  

common nouns la terra/com   names of planets la Terra/prop