Pain in the upper abdomen can often be attributed to temporary problems such as indigestion or gas. Persistent or severe upper abdominal pain may be related to other digestive tract conditions or to conditions of the body wall, blood vessels, kidneys, heart, or lungs.
Impersonation is the ability of a thread to execute in a security context that is different from the context of the process that owns the thread. Impersonation is designed to meet the security requirements of client/server applications.
An impersonator is someone who imitates or copies the behavior or actions of another. There are many reasons for impersonating someone: Entertainment: An entertainer impersonates a celebrity, generally for entertainment, and makes fun of their personal lives, recent scandals and known behavior patterns.