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If the technical terms are important for the rest of the plot, you might be able to explain them in the narration as the acts unfold. (A said to B, "I'm hacking the mainframe." A entered a command ...
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#4: Attribution notice removed
Source: https://writers.stackexchange.com/a/16690 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#3: Attribution notice added
Source: https://writers.stackexchange.com/a/16690 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
If the technical terms are important for the rest of the plot, you might be able to explain them in the narration as the acts unfold. (_A said to B, "I'm hacking the mainframe." A entered a command into her laptop, and the specialized software disabled the security system and allowed her to access the protected database._ etc.) If the book is fantasy rather than tech, then your readers don't really _need_ to know those few terms. Those terms can be blipped over or grokked from context or just ignored once the main plot gets underway. Grandma can either look up "alpha test," ask her granddaughter to explain what it means, or not worry about it.