sodapop
Alphabet soup is so irritating. I gave up on an earlier thread because there were so many abbreviations in the original post.
I have a policy of always writing out an abbreviation in full the first time that I use it in some writing, as I was trained to do it as a good practice.
I do this because every reader might not be aware of the meaning of the abbreviation.
For example,
If you want to produce a PDF (Portable Document Format) document that is to be printed then it is important to decide whether the PDF document should include bleed areas.
Alas, this can be regarded by some people as patronising, and by some, as, ... er ... mansplaining.