I don't even know what some people call "tea" in this context sometimes. It could be they're having Ceylon in the morning and Earl Gray in the afternoon, but sometimes what they mean is they're soaking some weeds in the morning and some dry fruits in the afternoon and calling it tea. I lived in a place for a while where all infusions are referred to with the word for "tea", so you'd ask for cup of tea, be given a camomile infusion and be expected not to murder your host.