In article ,
"karel" wrote:

Was mainly the ROP & LOP that worried me,
perfectly clear now!

Still in all seriousness: shouldn't there be a little
glossary somewhere,

Hey, there is a glossary somewhere. It's called www.acronymfinder.com.
Go there and type in ROP, for example, and you'll find the aviation
related definition right there at number 19 in the list.