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The first sentence is definitely false. Prescriptive architecture

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and descriptive architecture tend to diverge as systems evolve,

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and sometimes, even when the system is first developed,

4
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as we will see in some of the upcoming

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examples. Conversely, the second sentence is true. By

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adding unnecessary elements to the architecture, architectural drift can

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transform an otherwise clean architecture into a complex sub-optimal,

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and often ugly, architecture. The third sentence is false.

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Architectural erosion and architectural drift are, indeed, different phenomena.

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But they both result in a less than ideal, and

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in some cases, highly degraded architecture. And the fourth

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sentence is also false, as we discussed a minute ago.

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Just tweaking at the code is very unlikely to

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improve the code. Quite the opposite, actually. The best way

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to repair a degraded architectural design is to first, understand

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the current architecture, and then, try to fix it in

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a more principled way.