This is semantic memory.
Semantic memory actually refers to your 'general knowledge' - the information that you know about the world in general. The grandfather's semantic memory is quite strong and it doesn't seem to decline, which is why he is still so good at solving crossword puzzles. This refers to knowledge and memory that we accumulate throughout our lives.
Caucuses.
If you look up each word you will learn the difference of each.
Answer:
R u sure do u still need help?
Explanation: :)
The job that might be held by someone in a mid-level caste is :
Doctor
Housekeeper and farmer held by those in lower-level caste, while priest is held by those in upper-level
hope this helps