What is another word for line of inquiry?
Pronunciation: [lˈa͡ɪn ɒv ɪnkwˈa͡ɪ͡əɹɪ] (IPA) 
A line of inquiry is a path of investigation or questioning pursued by researchers and investigators to gather information, explore a topic, or solve a problem. Synonyms for line of inquiry include a research question, a topic of investigation, an area of focus, an investigative agenda, a query, an interrogative approach, a probing investigation, an exploration, an information hunt, a quest for knowledge, a search for answers, and a trail of research. These synonyms all suggest a systematic and intentional approach to inquiry that seeks to uncover new insights and knowledge through careful examination and analysis of evidence and data.
