• digital clock –  showing the time by means of displayed digits rather than hands or a pointer.
• analog clock – a circular-faced clock with the numbers one to twelve around the outside and two hands, a shorter one to measure hours and a longer one to measure minutes..
• deadline – (n) the latest time or date by which something should be completed.
• anxiety – (n) a feeling of worry, nervousness,
• obsession – (n) an idea or thought that continually preoccupies or intrudes on a person's mind.