Gee, guys ... Isn't abstraction what computer programming is all about? Every time you call a subroutine in ASM, or invoke a macro, isn't that about referring to one thing as another? Each function in 'C' ... doesn't that function represent something? Specifically, doesn't it supplant one thing with another in order to facilitate understanding. Every time you use a mnemonic in place of a binary code, aren't you abstracting the binary with the mnemonic?