Difference between ながら, がてら and つつ


What is the difference between ながら, がてら and つつ?




ながら means doing multiple things simultaneously.

がてら means to do one thing at somewhere middle along way to doing another.

つつ means doing multiple things alongside but not necessarily simultaneously,
little by little in turn.

> 運転しながら食事する  
>  'eat while driving'
>
> 運転(し)がてら食事する  
>  'eating along the way driving (after having driven half way)'
>
> 運転しつつ食事する  
>  'take a bite and drive a little, take a bite and drive a little, ...'




ながら means doing multiple things simultaneously.

がてら means to do one thing at somewhere middle along way to doing another.

つつ means doing multiple things alongside but not necessarily simultaneously,
little by little in turn.

> 運転しながら食事する  
>  'eat while driving'
>
> 運転(し)がてら食事する  
>  'eating along the way driving (after having driven half way)'
>
> 運転しつつ食事する  
>  'take a bite and drive a little, take a bite and drive a little, ...'

