This is the 6510th most frequent Japanese word.
タッチパネル
Touch panel.
The term 'タッチパネル' is used as the subject of the sentence, indicating an interactive screen.
このタッチパネルは反応がすばやいですね。
This touch panel responds quickly.
Here, 'タッチパネル' is used as the object of the action, showing interaction through touch.
タッチパネルを指で触れるだけで操作できます。
You can operate it just by touching the touch panel with your finger.
In this sentence, 'タッチパネル' is part of a compound noun to describe a type of operational method.