Meaning of the word "across the board" in English

What does "across the board" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

across the board

US /əˈkrɔs ðə bɔrd/
UK /əˈkrɒs ðə bɔːd/
"across the board" picture

Idiom

applying to or affecting everyone or everything in a particular group or situation

Example:
The new policy will apply across the board to all employees.
We need to improve our customer service across the board.