In English the numerable nouns are: apple, car
not numerable nouns are: love, milk.
The numerable nouns have a plural form that a singular and can be preceded by a/an or by a number.
That's a good idea.
We need four bananas.
A not numerable nouns have only the singular form and can't be never preceded directly by a/an.
Too much coffee isn't good for you.
Music helps me to relax.
With a locution a...... or .... the nouns not numerable cab take a numerable form.
a cup of coffee
a stice of toast
a packet of rice
a piece of cake
a piece of information
a bottle of coke
Sign with tick a nouns not numerable
Utilize a colour for point out
1. a. office
2. a. music
3. a. bottle
4. a. present