This clever domain name plays on the word "lit". By adding "AR" at the end, the name becomes a name for a product or startup in artificial reality.
Litar has only five characters and only two syllables. Two-syllable names are extremely rare and extremely sought after. Examples of two popular syllable names include Disney, Apple and Google.
Litar.com is a dot com domain. Dot com domains are the most valuable top-level-domain in the world, famously used by websites like facebook.com. Owning a dot com says that you own the word "litar" online.