the ability of somebody to change from one social group or class to another
The word mobility is a noun. It is the condition of being mobile.
His handicap reduced his mobility greatly. Mobility is important in conducting military operations.
inability to do tasks-comunicating,mobility,or slowness to learn and understand things
I think the word you are looking for is "mobility".
Mobility
The mobility scooter broke down.Mobility was particularly slow.
Mótus is the Latin word which means movement.
The base word for "understand" is "stand."
The Yiddish word for understand is "fersteyen."
entiendo = "I understand"
The Sicilian word for "do you understand" is "capisci?"
The word that defines comprehend or understand is "grasp."