Meaning of the word "grab/catch someone's attention" in English

What does "grab/catch someone's attention" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

grab/catch someone's attention

US /ɡræb/kætʃ ˈsʌm.wʌnz əˈten.ʃən/
UK /ɡræb/kætʃ ˈsʌm.wʌnz əˈten.ʃən/
"grab/catch someone's attention" picture

Idiom

to make someone notice you or something

Example:
The bright colors of the poster were designed to grab people's attention.
I tried to catch the waiter's attention so I could order another drink.