I have an assortment of what were once called "expansion" cards. Much the same concept as finger cards, but much larger, sometimes the full length of the motherboard, and 3+ inches tall. Think modem cards, or video cards from a Commodore. In function, they are the same as finger cards. Is that how you would designate them?

Very likely yes.
If you want to be sure, upload a picture, or a few, of examples

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