In English, all capital words are used only when you are very angary, almost equal to shouting or cursing. This way I suggest you never use these capitals again.
Letterspacing: The introduction of small amounts of space between letters to satisfy visual requirement and to avoid large word space for justified setting. Also called Inter-character spacing.
There are quite a few familiarity markers in English - words which take on an ending to make the word sound much more familiar, or everyday, or down to earth.
“The Chudley Cannons, ” said Ron, pointing at the orange bedspread, which was emblazoned with two giant blackC’s and a speeding cannonball. “Ninth in the league.”
When younger kids learn computer science, they learn that it's not just a confusing, endless string of letters and numbers, but a tool to build apps, or create artwork, or test hypotheses.