In general, dating someone very casually with no serious intention can also be called Seeing someone. But, most of the times, it is the inner feel of liking the person who urges you to go out with them. The level of commitment in this stage towards the relationship is very minimal to zero.

What does it mean seeing someone?

People who are seeing someone are dating. They go out on dates regularly with the person that they are seeing. The whole point of seeing someone is that the person sees the other person often, usually at least twice a week, if not more.