noun
Refers to logical reasoning, a coherent line of thought, or a sensible argument. Often used in phrases like 筋道が通っている (logical, makes sense) or 筋道を立てる (to reason out).
彼の説明は筋道が通っていてわかりやすい。
His explanation is logical and easy to understand.
筋道を立てて考えれば、答えは自然に出てくる。
If you think it through logically, the answer will come naturally.
noun
Describes a systematic procedure, a planned order of steps, or the thread of a discussion. Often used when outlining a process or the flow of an argument.
研究の筋道を最初に説明してください。
Please explain the research methodology first.
話の筋道が途中でわからなくなった。
I lost the thread of the conversation partway through.