Consider this sentence by me

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> Considering these issues, today, there is a trend toward using document understanding and spatial reasoning to capture the conceptual structure of **(a web page/web pages/ the page)**
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Considering context *the page* can refer to a web page (?). Now, my question is which of these make the sentence more general? I mean when you speak in general you prefer to say, for example, **babies** or **a baby** or **the baby** in

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> Babies usually cry almost two hours a day.
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> A baby usually cries almost two hours a day.
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> The baby usually cries almost two hours a day. Don't panic.
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Another example:

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> We simulate the way a human user scans **a web page/the page** to find specific data.
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