Does it have more meaning when you say to a person it was good seeing you today as oppose to saying it was nice to see you today?

Yes, the phrase "it was good seeing you today" can carry more emotional weight than "it was nice to see you today." Saying "good" implies a deeper appreciation or enjoyment of the encounter, suggesting that the meeting had a positive impact on you. In contrast, "nice" may come across as more neutral or polite, lacking the same level of warmth. Ultimately, the choice of Words can reflect the speaker's genuine feelings about the interaction.