observation
🇺🇸
/ˌɑːbzərˈveɪʃn/
🇬🇧
/ˌɒbzəˈveɪʃn/
the act of watching something carefully to learn about it
Careful observation of the stars helped us understand the night sky.
a comment or thought about something you have seen or read
She shared an interesting observation about the book's main character.