'Go ahead' vs 'go further'

I went ahead and started talking to them. -- idiomatic use of "go ahead"; means that you carried out a plan or intention, e.g. after deliberation.

It is also possible, in the right context, for it to mean that you literally advanced forward in order to talk to them.

I went further and started talking to them. -- implies that talking to them is more than was original

GPYmeans that you carried out a plan or intention, e.g. after deliberation.

Could it mean that I physically approached them?? I mean going toward people standing in front of you and starting to speak to them

GPYimplies that talking to them is more than was originally proposed or imagined

What about this one?

bmojtabaCould it mean that I physically approached them?? I mean going toward people standing in front of you and starting to speak to them

That's what I meant when I wrote this:

It is also possible, in the right context, for it to mean that you literally advanced forward in order to talk to them.

For example, you were walking with one group

GPY another way of expressing this.

Well ,what would you say in a situation like that ? (just saying I physically approached them to talk to them without any specific intention)

bmojtabaWell ,what would you say in a situation like that ? (just saying I physically approached them to talk to them without any specific intention)

I went up to them and started talking to them.

This requires a slightly less complicated scenario than "went ahead". It just means you approached them and started talking. You could say "approache

Thank you for the fast reply, a quick question , is the phrasal verb ' go up to ' used in British English ?? what about A.E ?

bmojtabaThank you for the fast reply, a quick question , is the phrasal verb ' go up to ' used in British English ??

Yes. I am a British English speaker.

bmojtabawhat about A.E ?

I have no reason to think it isn't.