Final answer:
The term 'tacit' is an adjective meaning silent, and 'tacitly' is an adverb meaning without words or silently. They relate to things that are implicitly understood rather than being explicitly stated. The correct option is C.
Step-by-step explanation:
The correct answer is C) Tacit means silent or understood without being openly expressed, and tacitly means without words or silently.
Both 'tacit' and 'tacitly' are related to things that are implicit, which is the opposite of explicit, meaning that it's implied rather than clearly and directly stated.
In this context, 'tacit' is an adjective that describes a noun that is understood or implied without being spoken, and 'tacitly' is an adverb describing the manner in which an action is done – in this case, silently or without words.
Example of 'tacit' in a sentence: Their agreement was tacit, as they understood each other without needing to speak. Example of 'tacitly' in a sentence: She agreed tacitly, nodding her head without saying a word. The correct option is C.