The RHO sound is often described as a "soft" or "guttural" sound, and it's typically produced with a more open and relaxed articulation. The tongue is positioned near the uvula, and the sound is often accompanied by a slight vibration or trill.
We can say that the RHO (ʁ) sound is often characterized as a more relaxed and less stressed sound compared to the GAMMA (ɣ) sound.
The RHO sound is often used in languages where the sound is more phonologically "neutral" or "central", such as in French or German, where the sound is often used as a default or unmarked pronunciation.