Uncountable Noun: Uncountable nouns are used for things we cannot count using numbers.
Examples
Countable and uncountable nouns can be divided into the following two types:
Concrete Noun: These nouns are things that you can touch, see smell, taste and hear. For example, door, horse, knob, water, cars, shoes, etc.
Abstract Noun: These nouns are used for things that you cannot touch or see. For example, rule, name, lessons, safety, happiness, health, love, etc.