Theory:

1. For any point \(P\) on the \(x\)-axis, the value of \(y\) coordinate (ordinate) is zero. That is, \(P(x,0)\).
Example:
Let \(x\)-coordinate of the point is \(4\), but \(y\)-coordinate of the point is \(0\), then the points will be, \((4,0)\). Here the ordinate is \(0\).
2. For any point \(Q\) on the \(y\)-axis, the value of \(x\) coordinate (abscissa) is zero. That is, \(Q(0,y)\).
Example:
Let \(x\)-coordinate of the point is \(0\), but \(y\)-coordinate of the point is \(-3\), then the points will be, \((0,-3)\). Here the abscissa is \(0\).
 
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