JESUS shows us his two tiny disciples. (Although most of them just call them "nads.")
to show or indicate.But you can't say 'I'll show you my wang.' Why? One, in that case , you're supposed to use 'miseru' instead, and two, you don't have a wang, you lost it in the war.
示す is more like "Studies indicate a link between yo mama and trench-mouth." Or "History shows again and again how nature points out the folly of man."
an exhibition or trade-show (International Plumbing Equipment Expo 2010!)
instructions ー not like instructions from your boss, but like the instruction manual you get with your new vacuum cleaner.