The Word of Wisdom (D&C 89) forbids the drinking of hot drinks. This has been officially interpreted as coffee and tea. There is some debate over whether this forbids the drinking of iced tea. Also see: Word of Wisdom.
Dictionary of "Mormonese"
Stop talking past each other. Gain a better understanding of the words that are unique to Mormonism and the differences of shared terms between Mormonism and Christianity.