can any one help me to define " conflicts"??

con·flict (knflkt)

n.

1. A state of open, often prolonged fighting; a battle or war.
2. A state of disharmony between incompatible or antithetical persons, ideas, or interests; a clash.
3. Psychology. A psychic struggle, often unconscious, resulting from the opposition or simultaneous functioning of mutually exclusive impulses, desires, or tendencies.
4. Opposition between characters or forces in a work of drama or fiction, especially opposition that motivates or shapes the action of the plot.