Flick
Part of speech: verb
Definition: To move (something) with a short, quick motion.
Part of speech: noun
Definition: A short, quick movement, especially a brush, sweep, or flip. A motion picture; (in plural, usually preceded by "the") movie theater, cinema. A cut that lands with the point, often involving a whip of the foible of the blade to strike at a concealed target.
Example sentence: I am a spiritual person in an eastern religion kind of way. I learned that happiness for all of us is a switch that you flick in your brain. It doesn't have anything to do with getting a new house, a new car, a new girlfriend, or a new pair of shoes. Our culture is very much about that; we are never happy with what we have today.
Flicker
Part of speech: noun
Definition: An unsteady flash of light.A short moment.
Part of speech: verb
Definition: To burn or shine unsteadily. To burn or shine with a wavering light.To keep going on and off; to appear and disappear for short moments; to flutter.
Example sentence: You still stand watch, O human star, burning without a flicker, perfect flame, bright and resourceful spirit. Each of your rays a great idea - O torch which passes from hand to hand, from age to age, world without end.