process function
property of a thermodynamic process; depends on the historical path of system states, not just on the current system state
heat
energy that is transferred from one body to another as the result of a difference in temperature
work
energy transfer, or its amount (& direction), in a thermodynamic process due to macroscopic factors external to a thermodynamic system
energy transfer
process or amount of energy moving from one specified object, system, or location, to another
thermodynamic process path
series of system states in a thermodynamic process, from initial to final equilibrium state