What do you mean by that comment?
to ask for an explanation
I mean, that movie was amazing!
to explain something more clearly
If you know what I mean.
to check if the other person understands a hidden meaning
I mean, we could try a different approach.
to clarify or suggest an idea
She means a lot to me.
to express that someone is important to you
I didn’t mean to hurt your feelings.
to say you didn’t intend to do something