The first thing to determine is how you see things. How does your brain work? Some people need everything on paper in a notebook where they can physically touch a page – while others like to store items on the computer. Do you need it to be accessible everywhere? Like in the cloud?
I’ve been honing my eavesdropping skills as of late, in the spirit that each of our fictional characters speak in a different voice. Whereas one character may sound like a grumbly religious naysayer, another may have the vocal inflections and vocabulary of a “valley girl”. Each character not only uses different verbiage, none speak alike in inflection or tone as well. I pondered this fact of good character development for some time before I decided the best way for me personally to get the “hang” of that was to eavesdrop on other people’s conversations in order to keep all of my characters from sounding exactly like me.