Naming

Organizations change when you give something a name. If it has a name, your peers can measure it. If it has a name,they can alter it. If it has a name, they can talk about it. And if it has a name, they can eliminate it. --The Big Moo, Edited by Seth Godin

Giving a name to a baby is difficult. Give the wrong name, the baby will hate you for life. So the art of naming ...

index variables: i j k
maths : dx dy dt
constants : PI E

one stage of obfuscation is variable name mangling.