You may come across some equipment with sockets in them. These sockets will
accept a variety of items, typically gems and runes. The command to put them
into the equipment is: insert
Looking at equipment will reveal what it has in a socket.
Sockets can be added to equipment via a blacksmith at a repair
shop with rhodium coins.
In order to realize what a gem or rune really does, it is necessary to
identify it by either a scroll of identification, racial means, or guild
Related topics: help shops or help rhodium