Englishfor English speakers
technical
Adjective
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Technical problems, writing, or skills, are related to special knowledge that most people don't have.
Doctors use a lot of technical vocabulary. I wish they would explain things more easily.
Our computers had some kind of technical problem, so we had to call somebody to come and fix it.
A prima ballerina must have great technical knowledge of dance movement.
documentation
Noun
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Documentation provides official information or evidence, it may also serve as a form of record.