There are many famous places in Kyoto.

Abstract nouns, unlike nouns that refer to concrete things, refer to concepts or states that do not have a specific shape or color.

I can't find my birth certificate.

What procedures are necessary to obtain his death certificate?

What should I do to obtain his death certificate?

Her necklace had a beautiful cat's eye stone.

'Apple' is a count noun, and you can count it as one, two, etc.

Happiness is a mass noun, you can't count it.

I obtained the natural coat certificate for my dog.

This certificate of value proves the value of the product.