Are the plates and serving dishes in the first few photos used just for decoration / ceremony, or would people use these day to day?
They're beautiful. I remember my Greek grandparents having similar ones around the house but they'd never use them, they'd stay always in a display cabinet.
Now, at my house, we just have plain white plates here, no adornment. Whatever fit in the cupboard, and whatever can be cleaned easy.
Yes, they may not be used either and are only used for decoration
I personally use every dish I have at home
Here, the best dishes in the past were used only for guests, but I don't like this method, everything should be used in life and the person should enjoy it himself