Final answer:
The correct match for the word "use", meaning to employ, is a) put into practice. This option aligns with the action of employing something for a specific purpose.
Step-by-step explanation:
The question is asking to identify the correct meaning of the word "use", as in to employ something. Among the options provided, the one that matches the meaning of "use" in this context is a) put into practice. When you use something, you are employing it for a particular purpose or in a particular situation, rather than creating, destroying, or abandoning it.
Hence, the answer is option a.