The aim of this paper is to reveal the differences between non-noda and noda, which refer to what the speaker percepts at the time of speech and in the place of speech. Both non-noda and noda have ``the realstic description usage``, which indicates as it is what the speaker percepts at the time of speech and in the place of speech and ``the provocated statement usage``, which indicates what is provocated by the speaker`s perception. We can observe the differences between non-noda and noda in co-occurrence relation with exclaminations. and thus "no-understanding exclaminations" like ``att``, ``otto`` etc. tend to cooccur with non-noda, not noda and "understanding exclaminations" like ``aa``, ``naruhodo`` etc. tend to cooccur with noda, not non-noda. Based on the obserbation of co-occurrence relation above, we can assume "Input information proccessing" such as the stage1:``encountering unknown infomation``→the stage2:``searching related information``→the stage3:``linking unknown information to related information``. this paper, therefore, proposes that non-noda refers to the stage1:``encountering unknown infomation`` and noda refers to the stage2:``linking unknown information to related information``.