Employee offboarding is kind of like when you finish playing with a toy and put it away in its box, except in this case it's a person who's leaving their job. It's important to do this properly because it can help the person feel respected and it can also help the company make sure everything is taken care of.
When someone leaves their job, there are a lot of things that need to happen. First, they need to return all the stuff that belongs to the company, like the key to the office or the computer they used. This is like when you have to put all the puzzle pieces back in the box when you're done playing with it.
Next, they need to talk to their boss or HR (which means human resources, which is a group of people who help take care of the company and the employees who work there). They need to tell them why they're leaving and also ask questions about things they might be wondering like what will happen to their health insurance or if they will get paid for any unused vacation time.
After they have done all of that, the company might also ask the person to fill out some paperwork, like a form that says they won't share any secrets about the company with other people. This is like when you have to fill out a permission slip to go on a field trip.
Finally, the company might ask the person to do an exit interview, which is kind of like talking to a teacher at the end of the school year to tell them about what you liked and didn't like about the class. This helps the company know how they can improve in the future.
All of these things are important because they help the person who is leaving feel like their time working at the company was valuable and respected. It also helps the company make sure everything is taken care of properly.