「かしこまりました」 is a very polite and formal expression meaning "Certainly" or "I understand." It's often used in service industries to show that a request or instruction has been clearly received and will be followed. It's more formal than 「分かりました」.

「分かりました」の非常に丁寧な言い方です。相手の依頼や指示を確かに承ったことを示すときに使われます。