| 摘要 |
The document data (e.g., conference materials) are transmitted from a conference server apparatus to a terminal apparatus 3 attending a teleconference, and the terminal apparatus 3 utilizes a displaying unit 46 to display the document data on the lower layer, utilizes a accepting unit 45 (e.g., a pen tablet or a mouse) to accept a writing operation performed on the display screen, generates a write-image regarding the writing operation on a layer upper than the lower layer, and displays and overlays the generated write-image on the document data. At that time, the terminal apparatus 3 sets a rectangular write-inhibition area containing character or word included in the sentence of document data. For example, when a leader line is written inside the write-inhibition area, an image regarding the written leader line is displayed outside the write-inhibition area.
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