Postcrossing terminology?

[Ashleighaa]

Hi! Is there a post on terminology in the forum? I’ve been reading some threads and people are talking about ‘official’ cards, lottery cards, bingo, etc etc and I don’t know what these mean. Is there a post somewhere explaining all these? Thanks

[SharonMI]

Postal-related dictionary and abbreviations (wiki)

I think one good use for wikis would be a dictionary of postal terms and abbreviation list of sorts, so I’ll start one here. Feel free to edit this post to add your terms by clicking the EDIT button at the bottom of the post. Ad card: (Short for: Advertising Card) A postcard featuring advertisement to a product or service. Sometimes these are given away for free.

Ad card (an example)

<a class="lightbox" href="//postcrossing-forum-upload.s3.dualstack.eu-central-1.amazonaws.com/…

[cleopatra-matta]

If you scroll the main page of this forum, you will see a section for Games and Activities, there you will find bingo and lottery also tags and round robins. For the explanation of each I think you may find it in each section.
About “official cards”, they are cards sent or received through the main Postcrossing site (not the Forum)- the one with an ID