A filter is like a sieve or a strainer that we use to separate things we want from things we don't want. A generic filter is a type of filter that can be used to separate different things in different situations.
For example, imagine you have a big bowl of mixed-up toys like balls, cars, and blocks. You want to separate them into different piles so you can play with them separately. You can use a generic filter called a sorting tray with different sections for different toys. You can pour the mixed-up toys into the tray and they will separate into different sections for balls, cars, and blocks.
Similarly, a generic filter in a computer program can be used to separate different types of data. A program can use a filter to sort through a lot of information and find only the specific data that is needed. It's like telling the computer, "Find all the red blocks in the bowl," and the computer will only show the red blocks in the sorting tray.
Overall, a generic filter is a helpful tool that helps us sort through data, objects, or anything else that needs sorting.