verb

• (transitive, archaic outside of idioms) To count, reckon, or enumerate.
  "All told, there were over a dozen.  Can you tell time on a clock?  He had untold wealth."
• (transitive, ditransitive) To narrate, to recount.
  "I want to tell a story;  I want to tell you a story."
• (transitive, ditransitive) To convey by speech; to say.
  "Finally, someone told him the truth.  He seems to like to tell lies."
• (transitive) To instruct or inform.
  "Please tell me how to do it."

noun

• (informal) A giveaway; something that unintentionally reveals or hints at a secret.
  "Those whose business it is to verify luxury bags insist, at least publicly, that there’s always a “tell” to a superfake."
• (archaic) That which is told; a tale or account.
  "April 4, 1743, Horace Walpole, letter to Sir Horace Mann I am at the end of my tell."
• (Internet) A private message to an individual in a chat room; a whisper.

noun

• (archaeology) A hill or mound, originally and especially in the Middle East, over or consisting of the ruins of ancient settlements.
  "Succoth is now associated with a large tell situated in the Jordan Valley, Deir Allah."