Description and quantity
Quantity
One or more
Is there one, or more than one?
dual
plural
grammatical number
معنا
A language can show whether we mean one thing or more than one. Some languages also have a special form for exactly two or for a group viewed as a whole. Languages may mark this on nouns or other words, but some have no regular singular and plural forms. Unlike Quantity, One or more does not by itself give an exact number or measured amount.
چطور آن را تشخیص دهید
Look for a change of form or an added word that distinguishes one from several, and check whether it is required or left to context.