What is a word to describe complicated background works, internal works or behind-the-scenes works? These works are complicated and often people wouldn't want to know about it. An example is the complicated internal processes of a machine. All the phrases mentioned sound awkward and long.
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I've heard most often of avoiding the gruesome details. |
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My suggestion would be inner workings (or possibly internals). |
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The nuts and bolts of a machine or system refer to its internal workings. Skunkworks (or skunk works) refers to works being carried out by people in a more or less secret manner, behind the scenes and unofficially. |
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If you want something catchy and don't mind a degree of informality, you could use nitty-gritty. |
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Infrastructure ("An underlying base or foundation; ... basic facilities, services and installations ...") is sometimes used to denote the foundations, underpinnings, and inner workings suggested in the question. |
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If you really want some conciseness and informal tone is okay, you will entirely get the message across with guts. |
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The answer could be "working in the trenches". As Merriam Webster say "... or level at which an activity is carried on in a manner likened to trench warfare - often used in the phrase «activists working in the trenches»". |
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I think mechanics would work for what you describe. Mechanics is defined as the working parts of a machine; or the technical aspects of something; or the functional aspect of a system, such as "the mechanics of blood circulation." |
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