The correct answer is c) Using technical language lets the author precisely explain what the new invention does.
Technical language refers to language in speech or text that serves to clearly instruct or explain how something works or functions. Technical language can contain jargon or specific terminology that a layman might not necessarily be familiar with. Technical language is usually found in user manuals or when describing the exact features of some type of technology. When describing what a new invention does, using technical language lets the author precisely explain it.