The following doughs and batters will hopefully spark some of your own ideas. A large number of desserts are possible thanks to their base pastry.
How they're made and for what purpose was pretty much a mix and match process. Over time recipes improved to make them withstand liquids better.
Otherwise you would have a sloppy mess!
Soft Pie Crust
Many of these doughs can be made well in advance as they can be frozen.