This paper examines a structural phenomenon in questioning that has received relatively limited independent attention: some question sequences do not follow typical patterns of linear discourse progression. In many existing approaches, questions are primarily understood as information-seeking acts or interactional moves that unfold through sequential response structures. Within such frameworks, later utterances are often assumed to depend primarily on immediately preceding ones, thereby forming local linear chains. This paper identifies a different structural pattern. In some question sequences, later questions do not primarily respond to the immediately prior question. Instead, they repeatedly orient toward a problem center that remains not yet stably accessible and difficult to enter directly. Under such conditions, the relationship between questions is better described as center dependency rather than linear dependency. When this occurs, questioning may display non-linear exploratory behaviors rather than straightforward sequential progression. This paper therefore proposes that some questions can be understood as local topology events embedded within broader discourse: they temporarily alter local patterns of progression without determining the structure of the entire discourse. Building on this distinction, the paper differentiates three question states: open-field questions (the problem space remains underdetermined), constrained-path questions (the answer remains unknown but available pathways are relatively limited), and structurally closed questions (surface interrogatives in which the space of inquiry is already highly restricted). Methodologically, the paper draws on approximately ninety publicly available Reddit examples as materials for structured conceptual observation. The goal is not statistical generalization, but to examine whether these structural distinctions can be observed consistently across different contexts. This paper argues that not all questions open information gaps through linear progression. Some questions temporarily reorganize local discourse movement, and center dependency may represent an important but underexamined structural form of questioning.
Rinelle Chen (Tue,) studied this question.