expression, godan verb (-u)
follow in order; go through step-by-step
Used when proceeding through a sequence or process in the prescribed order, often with a sense of methodical progression. The te-form 順を追って is common as an adverbial phrase meaning 'in order' or 'step by step'.
See also: 順を追って
手順を順を追って説明します。
I will explain the procedure step by step.
彼
He solved the problems one by one in order.