Looks more like an ice cream sandwhich to me.
Apparently not , I guess it is also a pet name, else there's a few songs I need to re evaluate.
Ps Does North America not use the word tart. The wikipedia page describes it as a 'single-crust' pie? How do you differentiate those annoying upside down tart 'pies' consisting of a disc of pastry plonked on top?
There are also betties, crumbles, crisps, buckles, clafoutis, cobblers, crisps and pandowdies. Each is different, and some have regional disagreements.
 also suggests a slump is yet another cobbler variation.
The upside down tarts are what they try to pass off as pies in British pubs, I wouldn't class them as pies, just like I wouldn't class a tart as a pie. British crumbles,cobblers et al don't tend to have pastry bottoms, so I wouldn't class those as pies either.
Shepherds, Cumberland and cottage pie...... Are the exception that proves the rule :)
In the us I want to say it's nominally 1 (forever) stamp per oz.
All is now clear. On to weightier if possibly less entertaining matters.
Canada Post isn't a startup and they aren't looking for "market fit" but the same principles apply.
Subject-matter experts are always required.