so good it/they cannot be improved

Not hard to understand or do; not complex

Ability to hold, involve or contain people or things

condition or state of someone or something being at a certain place

Happening or done regularly or frequently

same in shape, size, or number

device used for catching animals

institution providing help to the needy, the sick

To be a feature to make something clearly different from others

piece of a business, bought in the form of shares