Observe
Part of speech: verb
Definition: To notice or view, especially carefully or with attention to detail. To follow the custom, practice, or rules (especially of a religion.) To comment on something; to make an observation.
Example sentence: Observe, record, tabulate, communicate. Use your five senses. Learn to see, learn to hear, learn to feel, learn to smell, and know that by practice alone you can become expert.
Watch
Part of speech: noun
Definition: A portable or wearable timepiece.A particular time period when guarding is kept.A person or group of people who guard.A group of sailors and officers aboard a ship or shore station with a common period of duty: starboard watch, port watch.A period of time on duty, usually four hours in length; the officers and crew who tend the working of a vessel during the same watch. (FM 55–501).
Part of speech: verb
Definition: To look at, see, or view for a period of time.To observe over a period of time; to notice or pay attention.To mind, attend, or guard.To be wary or cautious of.To attend to dangers to or regarding.To remain awake with a sick or dying person; to maintain a vigilTo be vigilant or on one's guardTo act as a lookout