It's that 1-2-3 or the do-re-mi or this "abc" - these first three letters of the alphabet, it's one simple incantation and you know where it ends. Usually, the first steps considered in every elaborate process are the most important.
Repetition and a sense of routine are mandatory in order to learn, in order to create. Only after that will the understanding of the complete "alphabet" be achieved. Later "words" emerge and ultimately ideas, even if they're visually based on individual meaningless glyphs which can be written, printed, typed, projected or displayed.