How much is one zig?

Excuse me, could you possibly clarify something for me? I've come across the term "one zig" in relation to cryptocurrency, but I'm having trouble understanding its exact value. Could you elaborate on what exactly constitutes "one zig" in this context? Is it a specific amount of a particular cryptocurrency, or does it have a more abstract meaning? I'm eager to grasp the full significance of this term in the world of digital finance.