Pellucid

/pəˈluː.sɪd/ adjective hard

Something pellucid is so transparent or plainly expressed that it can be understood or seen through without any effort.

The professor's pellucid explanation of the tax code made a notoriously confusing subject feel simple.

Memory Trick

Pellucid contains 'lucid' - just add extra clarity to get something even more crystal clear than lucid alone.