contention
Pronunciation:
/kənˈtɛnʃən/noun
Definitions
Argument, contest, debate, strife, struggle.
A point maintained in an argument, or a line of argument taken in its support; the subject matter of discussion of strife; a position taken or contended for.
Example: It is my contention that state lotteries are taxes on stupid people.
Competition by parts of a system or its users for a limited resource.