A ticketing system is software that teams or organizations use to organize incoming requests and then define a process for how to prioritize and resolve them.
Having an overview of all the things that have to be done helps you stay organized, and allows you to focus your work on what matters. This looks different from team to team, and also for different types of organizations.
Incoming tickets can be prioritized in different ways, such as ranking them by the impact they’ll have on your business, how resource-heavy it might be, and how much time it might take to resolve. This allows you to focus on the work that matters, as defined by your team or company.
Traditionally it was IT teams who used ticketing system software, but now all kinds of teams are getting the benefits, including HR and people ops.