As with any technology, it is highly recommended that you develop naming conventions (sometimes referred to as a naming style) for your knowledge objects before you begin developing them. That's the trick.
It is difficult to create workable conventions or standards unless you have experience and are familiar with which objects can be created within Splunk and their purposes. Generally speaking, more mature organizations will adopt styles used with other technologies, which you'll need to learn and adhere to. In new or less mature shops, it'll be up to you to define naming styles.
You can cultivate naming conventions for almost every kind of knowledge object in Splunk, but what will this standard naming really do for us Splunkers?