Finding grass
"What do you think when you hear the word 'grass'?
Green blades of thin green Leaves growing out of the ground directly?
A green grassland present in a plain flatland?
What about the green floors present in the forest areas? What about the lawns, or grass that one grows in their backyard? Or in small pots?"
He was asking her an abstract question, but Sera knew he wasn't simply asking about grass.
[{ I think about the grass in the flowerpot present in the room where you summoned me for the first time, master. }]
There were various things one could think when they heard any word. And much of the thought process is a lifelong conditioning.
One adapts to certain things, they learn, and they acquire various knowledge.
That acquired knowledge, skills and experience are retained through a periodic recall and without it, the skills and the knowledge that one has acquired slowly gets forgotten.