If you show someone something, it means that you…
A spear is a long wooden shaft with a sharp pointed head, usually made of metal or stone. It can be used as a weapon or as a fishing tool. Usually in a military context, a spear can also mean ‘a person armed with a spear.’ As a verb, to spear means ‘to stab or pierce with, or as though with, a spear’ and it can also be used figuratively…
A pin is a small piece of metal used as a fastener or support, as well as many different forms of fasteners, badges, or ornaments made with sharp wires. It is also a short metal, wooden, or plastic rod driven through holes in adjacent parts of something, like the hub of a wheel and its axle, in order to hold those parts together. Informally, legs can be called pins, although this is now rather dated. As a verb, to pin means…