Technical writers perform audience analyses to better understand the demographics of their intended target audience. This helps them write in a manner that the intended audience will be able to understand.

technical

Technical skills are the knowledge and capabilities to perform specialized tasks. Management often needs to have technical skills in order to communicate effectively with line workers and coordinate efforts.

Technical information gives the worker the judgment forming, decision-making ability to perform the task(s) in a safe and correct manner

Any reader of technical writing is a person interested in learning how some technology works. Specifically, how to perform some task using the technology.