Where is push pull from?

Excuse me, but could you please elaborate on the origin of the term "push pull" in the context you've mentioned? Is it a specific strategy or phenomenon related to cryptocurrency or finance? I'm curious to understand where this term stems from, whether it's an industry-specific jargon or a more general financial concept that's been adapted for use in the world of cryptocurrency. Clarifying this would greatly help me grasp the full meaning and implications of the term. Thank you.