Challenging to penetrate or comprehend; profound; -- opposed to shallow or superficial; intricate; mysterious; not noticeable; obscure; as, a deep issue or plot Piles are swollen veins while in the decrease anus and rectum. This swelling may cause localized inflammation of other tissues. Piles is yet another phrase for hemorrhoids. https://rafaelaptwj.ampblogs.com/5-essential-elements-for-pile-foundation-engineering-bangladesh-72465095