what is 14k gold?

What is 14k gold? What is 14k gold ?14 k  gold price is expensive?What is the meaning of 14 k?K, said gold purity of the unit.After the letter K often add Numbers to represent purity gold.24 k gold content is 99.99%.18 k gold content label is 75%, 14 k  gold prices, gold content is 58.5%.   [...]