add-ins
vba's
modules
save in personal vs. save in this workbook....

yikes. I know the function of macros, and have made basic ones for specific
files where I just click Start and End recording, but...

when I look up macro help here, or just in general, I get lost in the
terminology. When you try to figure out what a term means, the definition
includes more terms I don't know.

Where can I go for some basic, spelt out learning? Once I understand the
basic terms and functions, they'll be no stopping me!