What best describes a moist adiabatic process?

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Moist adiabatic describes the ascent of a saturated air parcel where cooling with height occurs at the moist adiabatic lapse rate because latent heat is released as condensation happens. As the parcel rises, it expands and cools, but the condensation of water vapor releases latent heat into the parcel, which slows the temperature drop compared with a dry parcel. That’s why the moist lapse rate is smaller (cooling less rapidly) than the dry adiabatic rate. This behavior only applies when the air is saturated; if the air isn’t moist enough to condense, the cooling follows the dry adiabatic rate. The other descriptions don’t fit: a dry parcel rising without condensation describes a dry adiabatic process; descent would warm the parcel and condensation dynamics aren’t driving the rate in the same way; mixing dry and moist air at constant temperature isn’t an adiabatic process.