Working on "while," and reading the manual

One word I've noticed myself overusing recently is "while." The way I use it in my head it means, "during the time that; at the same time as," but ironically, it also means "a period of time" (implying taking longer than a few seconds) and "to pass time in a leisurely manner." The way I use it is not leisurely. I've been a multi-tasker for a real long time now, but recently I've been evaluating