callbacks Definition

bfs, boosters, points, recalls, reminders, multiple, several, asynchronous, more, appropriate, fewer, list, number, use, events, set, widget, auditions, handlers, called, invokes, using, specified, invoked, receive, calls, repeated, handle, register, passed, registered, support, add, uses, implement, invoke, supports, implementing, allow, define, defines, perform, announcements, approvals, calibrations, certifications, checks, computations, deliverables, echo, entries, exits, filings, invocations, iterations, notifications, optimizations, permissions, prompts, requests, role, sink, vaccinations,