context: The phase or state domain is a homogeneous part of the system separated by an interface from another phase. [1] Generally, the system can have three different types of phases: gas, liquid and solid. The same substance can form different phases, the ice cubes in the water jug ​​form a different phase than the liquid water. However, all ice cubes belong to the same phase, even if they are separated. The system may also comprise multiple gas and liquid phases.
question: What does phase mean?
answers.text: homogeneous part of the system separated by an interface from another phase