Provided are an absorbent and an absorptive article containing the absorbent which has excellent water absorbability and leakage prevention ability, and has an intent to achieve reductions in the weight and thickness of an absorptive article. The channel has at least one non-uniform dimension. In addition, a query component based upon a buyer initiated search for the goods or services includes a geographic tag for the buyer. The second MOS transistor with transconductance gm amplifies a second differential input signal to provide a second current between the output node and the ground. Other embodiments contemplate analyzing connectivity components before connection and selecting only those components that enable full or best compliance with the policies. With this construction, a vibration and a noise can be reduced and a stable driving force can be obtained even with a relatively small capacity electric motor.