This is the 3795th most frequent Japanese word.
ひかり
"ひかり" means "light" in English.
In this sentence, 'ひかり' refers to sunlight or brightness associated with the atmospheric illumination during morning hours.
窓から入る朝の光が部屋を明るくしている。
The morning light coming through the window brightens the room.
Here, 'ひかり' represents light in a technical or scientific context, specifically focusing on its use in communication technologies.
科学者たちは新しい光通信技術を研究している。
Scientists are studying new optical communication technologies.
In this context, 'ひかり' is used metaphorically to signify hope or positive feelings instilled by someone's actions.