| CLICKER | Device for counting or sending signals (7) |
| ABACUS | Frame for counting; or, in classical architecture, a slab on the capital of a column supporting the architrave (6) |
| PEDOMETER | From "foot" and "measure", a device for counting one's paces or steps, hence distance walked (9) |
| CRORE | In the Indian system of counting or numbering, a word of Sanskrit origin used to represent 10 million people, rupees, units etc; or, 100 lakhs (5) |
| ONE | It depicts "the unit of counting or measurement," per Wikipedia |
| BILLING | Process of preparing or sending Invoices (7) |
| HECTORS | Threatens, perhaps, with ECT, or sending to shrink |
| MRJONES | Breakout 1993 single for Counting Crows |
| DISPATCH | Dismissal; a sending away in haste; promptitude generally; the posting of mail or sending of a messenger; or, a military/journalistic report (8) |
| LIFELINE | Diver's rope for sending signals to the water's surface; or, one of a hand's creases studied in palmistry (8) |
| CARDS | Used for playing games or sending greetings (5) |
| NERVOUSSYSTEM | Network sending signals all over the body (7,6) |
| ALDIS | ___ lamp - traditionally used for sending signals at sea (5) |
| CAST | A fling, throw or sending forth of an aspersion, die, fishing-line, horseshoe, spell etc; the dramatis personae of a play; or, a plaster-of-Paris bandage (4) |
| UPLINK | What is a transmission path for sending signals from an earth station to a communication satellite (6) |
| EMITTING | Giving off or sending out |
| OMNIDIRECTIONAL | Sending signals everywhere |
| TRANSMITTER | A set means of sending signals (11) |
| CRONEOGRAPH | Instrument for counting witches? |
| LONG | Like December, for Counting Crows |