act|verb|to do something
act|verb|to do something
complex|adjective|having many parts that are difficult to understand; not simple
read|verb|to look at and understand the meaning of written words or numbers; to speak written words
severe|adjective|not gentle; causing much pain, sadness or damage
tool|noun|any instrument or device designed to help a person do work
understand|verb|to know what is meant; to have knowledge of
