Questions about Chapter 1

tgammon

Dear Tutor,
I have several questions about Chapter 1.
1) What is the difference between the accumulation of heat and excess heat?2) I don't understand how to recognize the different smells: stench, stinking, foul?3) What exactly is excessive stomach fire? Is that excessive stomach yang or deficiency or stomach yin or a pathogenic heat?4) Is there a difference between a pulse feeling forceless and one that feels weak?
Thank you.